L1.1 P18-19

screwed on

[adj.] fastened or secured tightly with screws; sensible and realistic, 拧紧的；头脑清醒的；务实的

instead

[adv.] as an alternative or substitute, 作为替代；反而；代替

imply

[v.] to strongly suggest the truth or existence of something not expressly stated, 暗示；意味着

sale

[n.] the exchange of a commodity for money; an event for selling goods at reduced prices, 促销；打折；销售；出售

maintenance

[n.] the process of preserving or keeping something in good condition, 维修；保养；维护

request

[n./v.] an act of asking politely or formally for something; to ask for something formally, 请求；申请；要求

air-conditioning

[n.] a system for controlling the temperature and humidity of the air in a building or vehicle, 空调；空气调节系统

technician

[n.] a person skilled in the technique of an art or craft; someone employed to look after technical equipment, 技术员；技师

relief

[n.] a feeling of reassurance and relaxation following release from anxiety or distress, 松了一口气；宽慰；解脱

warm

[adj./v.] of or at a fairly or comfortably high temperature; to make or become warm, 暖和的；闷热的；温暖的；使变暖

minor issue

[phr./n.] a problem or matter of lesser importance or seriousness, 小问题；次要问题

leaking

[v. pres. part./adj.] (present participle of leak) allowing liquid or gas to escape through a hole or crack; escaping, 漏水的；渗漏的；泄露

elevator

[n.] a platform or compartment housed in a shaft for raising and lowering people or things, 电梯；升降机

renowned expert

[phr./n.] a widely known, respected, and acclaimed authority in a specific field, 知名专家；著名学者

environmental science

[n.] an interdisciplinary academic field that integrates physical, biological, and information sciences to study the environment, 环境科学

sustainable energy solutions

[phr./n.] methods of generating clean, replenishable power that meet current needs without depleting natural resources, 可持续能源方案；可持续能源解决方案

impact on

[phr./v.] to have a strong effect or influence on someone or something, 对……的影响；冲击

global climate change

[n.] long-term shifts in global temperatures and regional weather patterns, 全球气候变化

popularity

[n.] the state or condition of being liked, admired, or supported by many people, 受欢迎程度；普遍；流行

recommend

[v.] to put forward someone or something with approval as being suitable for a purpose or job, 推荐；建议

secure a seat

[phr./v.] to successfully obtain, reserve, or hold a place to sit, 占到座位；获得座位；预订座位

lecture

[n./v.] an educational talk delivered to an audience; to deliver an educational talk, 讲座；演讲；讲课；训诫

requirements

[n. pl.] (plural form of requirement) things that are needed or wanted; conditions that must be fulfilled, 要求；必要条件；规定

mention

[v./n.] to refer to something briefly; a reference to someone or something, 提到；谈及；提及

encourage

[v.] to give support, confidence, or hope to someone; to stimulate the development of, 鼓励；激励；促进

indicate

[v.] to point out or show; to be a sign or symptom of, 表明；指示；显示

invited

[v. pt./pp./adj.] (past tense and past participle of invite) requested the presence or participation of; having received an invitation, 受邀的；邀请

compare

[v.] to estimate, measure, or note the similarity or dissimilarity between two or more things, 比较；对比；比喻

explain

[v.] to make an idea or situation clear to someone by describing it in detail, 解释；说明；阐述