化学 Chemistry

hackneyed (adj.)

释义：陈腐的；老生常谈的；同义词：trite；例句：The essay relied on hackneyed phrases and clichés.

caustic (adj.)

释义：腐蚀性的；刻薄的；同义词：corrosive；例句：Caustic chemicals can burn the skin on contact.

erosion (n.)

释义：侵蚀；腐蚀；同义词：corrosion；例句：Acid rain contributes to the erosion of stone buildings.

erode (v.)

释义：侵蚀；腐蚀；逐渐毁坏；同义词：corrode；例句：Acidic water can erode metal pipes over time.

stale (adj.)

释义：变质的；不新鲜的；陈腐的；同义词：spoiled；例句：The bread had gone stale after a week.

rot (v./n.)

释义：腐烂；腐朽；同义词：decay；例句：Fallen fruit began to rot on the ground.

rotten (adj.)

释义：腐烂的；腐朽的；同义词：decayed；例句：The rotten wood crumbled at his touch.

decay (v./n.)

释义：衰败；腐烂；衰变；同义词：rot；例句：Radioactive elements decay over long periods of time.

corrode (v.)

释义：腐蚀；侵蚀；同义词：erode；例句：Salt water can corrode metal surfaces quickly.

decomposition (n.)

释义：分解；腐烂；同义词：breakdown；例句：Decomposition of organic matter enriches the soil.

rust (v./n.)

释义：生锈；铁锈；同义词：corrosion；例句：The old car began to rust in the humid climate.

silica (n.)

释义：二氧化硅；硅石；同义词：—；例句：Silica is a major component of sand and glass.

crystal (n.)

释义：晶体；水晶；结晶；同义词：—；例句：Salt forms cube-shaped crystals when it dries.

gasoline (n.)

释义：汽油；同义词：petrol；例句：The engine runs on gasoline refined from crude oil.

methane (n.)

释义：甲烷；沼气；同义词：—；例句：Methane is a greenhouse gas produced by livestock.

hydrocarbon (n.)

释义：碳氢化合物；烃；同义词：—；例句：Fossil fuels are made mostly of hydrocarbons.

petroleum (n.)

释义：石油；同义词：oil；例句：Petroleum is refined into gasoline and other fuels.

plastic (n./adj.)

释义：塑料；塑料的；同义词：synthetic material；例句：Plastic takes hundreds of years to decompose.

intermediary (n./adj.)

释义：中间体；媒介物；中间的；同义词：intermediate；例句：The reaction produces an unstable intermediary compound.

catalysis (n.)

释义：催化作用；同义词：—；例句：Catalysis speeds up chemical reactions without being consumed.

catalyst (n.)

释义：催化剂；诱因；同义词：—；例句：A catalyst lowers the energy needed for a reaction.

adhesive (n./adj.)

释义：粘合剂；粘性的；同义词：glue；例句：The label uses a strong adhesive to stick to surfaces.

scorch (v.)

释义：烧焦；烤焦；同义词：burn；例句：The pan was left on too long and began to scorch.

bleach (n./v.)

释义：漂白；漂白剂；同义词：whiten；例句：Bleach is often used to disinfect surfaces.

tint (n./v.)

释义：淡色；给…染色；同义词：hue；例句：A blue tint was added to the glass mixture.

dye (n./v.)

释义：染料；染色；同义词：coloring agent；例句：The fabric was dyed a deep shade of red.

chemistry (n.)

释义：化学；同义词：—；例句：Chemistry explains how substances interact and change.

biochemistry (n.)

释义：生物化学；同义词：—；例句：Biochemistry studies chemical processes within living organisms.

hydronic (adj.)

释义：水循环的；液体循环的；同义词：water-circulating；例句：The building uses a hydronic heating system.

alchemy (n.)

释义：炼金术；魔力；同义词：—；例句：Ancient alchemy sought to turn base metals into gold.

artificial (adj.)

释义：人造的；人工的；虚假的；同义词：synthetic；例句：Artificial sweeteners are used in many diet products.

ion (n.)

释义：离子；同义词：—；例句：Sodium ions play a key role in nerve signaling.

molecule (n.)

释义：分子；同义词：—；例句：A water molecule consists of two hydrogen atoms and one oxygen atom.

solubility (n.)

释义：溶解度；溶解性；同义词：—；例句：The solubility of sugar increases in warm water.

solution (n.)

释义：溶液；溶解；解决方案；同义词：mixture；例句：The saline solution is used to clean wounds.

solvent (n./adj.)

释义：溶剂；有溶解力的；同义词：—；例句：Water is often called the universal solvent.

dissolve (v.)

释义：溶解；分解；消散；同义词：melt into；例句：Salt will dissolve quickly in hot water.

element (n.)

释义：元素；要素；成分；同义词：—；例句：Oxygen is an element essential for combustion.

impurity (n.)

释义：杂质；不纯之物；同义词：contaminant；例句：Filtering removes impurities from the water.

blend (n./v.)

释义：混合；调和；混合物；同义词：mixture；例句：The perfume is a blend of several fragrant oils.

compound (n./adj.)

释义：化合物；复合物；复合的；同义词：mixture (loosely)；例句：Water is a compound made of hydrogen and oxygen.

substance (n.)

释义：物质；实质；物品；同义词：material；例句：The unknown substance was sent to the lab for testing.

particle (n.)

释义：微粒；颗粒；粒子；同义词：—；例句：Dust particles floated visibly in the sunlight.

explosive (n./adj.)

释义：爆炸物；易爆的；同义词：volatile；例句：The mixture became highly explosive when heated.

blast (n./v.)

释义：爆炸；冲击波；同义词：explosion；例句：The blast shattered windows nearby.

explode (v.)

释义：爆炸；爆发；同义词：detonate；例句：The unstable compound exploded during the experiment.

burning (adj.)

释义：燃烧的；灼热的；同义词：combusting；例句：The burning fuel released thick black smoke.

kindle (v.)

释义：点燃；激起；同义词：ignite；例句：A single spark can kindle a dry forest fire.

sear (v.)

释义：灼伤；烧焦；烙印；同义词：scorch；例句：The intense heat seared the surface of the metal.

ignite (v.)

释义：点燃；着火；引发；同义词：kindle；例句：A spark ignited the gas leak instantly.

action (n.)

释义：反应；作用；行动；同义词：reaction；例句：The chemical action produced heat and gas.

combination (n.)

释义：化合；结合；组合；同义词：union；例句：The combination of the two chemicals caused a reaction.

neutralize (v.)

释义：中和；使无效；抵消；同义词：counteract；例句：Baking soda can neutralize excess stomach acid.

polymerization (n.)

释义：聚合反应；同义词：—；例句：Polymerization links small molecules into long chains.

functional (adj.)

释义：功能的；官能的；同义词：operative；例句：The functional group determines the molecule's reactivity.

synthetic (n./adj.)

释义：合成的；人造的；合成物；同义词：artificial；例句：Synthetic fibers are widely used in modern clothing.

carbon (n.)

元素記号：C；意味：炭素；同義詞：—；例句：Carbon is the basic building block of organic chemistry.

copper (n.)

元素記号：Cu；意味：銅；同義詞：—；例句：Copper is a good conductor of electricity.

lead (n.)

元素記号：Pb；意味：鉛；同義詞：—；例句：Lead was once commonly used in paint and pipes.

Mercury (n.)

元素記号：Hg；意味：水銀；同義詞：—；例句：Mercury is a liquid metal at room temperature.

nickel (n.)

元素記号：Ni；意味：ニッケル；同義詞：—；例句：Nickel is often used to make coins and alloys.

platinum (n.)

元素記号：Pt；意味：白金（プラチナ）；同義詞：—；例句：Platinum is a rare and valuable precious metal.

silver (n.)

元素記号：Ag；意味：銀；同義詞：—；例句：Silver has strong antibacterial properties.

sodium (n.)

元素記号：Na；意味：ナトリウム；同義詞：—；例句：Sodium reacts violently when placed in water.

tin (n.)

元素記号：Sn；意味：スズ；同義詞：—；例句：Tin is often used to coat other metals to prevent rust.

zinc (n.)

元素記号：Zn；意味：亜鉛；同義詞：—；例句：Zinc is added to steel to prevent corrosion.

calcium (n.)

元素記号：Ca；意味：カルシウム；同義詞：—；例句：Calcium is essential for building strong bones.

helium (n.)

元素記号：He；意味：ヘリウム；同義詞：—；例句：Helium is a light, non-reactive gas used in balloons.

silicon (n.)

元素記号：Si；意味：ケイ素；同義詞：—；例句：Silicon is a key material used in computer chips.

ammonia (n.)

释义：氨；氨水；同义词：—；例句：Ammonia has a strong, sharp odor.

sulfur (n.)

元素記号：S；意味：硫黄；同義詞：—；例句：Sulfur gives volcanic areas their distinct smell.

iodine (n.)

元素記号：I；意味：ヨウ素；同義詞：—；例句：Iodine is used as an antiseptic for wounds.

oxygen (n.)

元素記号：O；意味：酸素；同義詞：—；例句：Oxygen is essential for most living organisms.

pigment (n.)

释义：颜料；色素；同义词：dye；例句：Pigment gives paint its distinctive color.

nitrogen (n.)

元素記号：N；意味：窒素；同義詞：—；例句：Nitrogen makes up about 78% of Earth's atmosphere.