English Speeches - Elon Musk

instantly (adv)

immediately

launch (v/n)

(v) to make a boat or ship slide into the water or a rocket leave the ground

(n) (an) act of launching

scale (n)

a series or system of items of increasing or decreasing size, value etc = mức độ

density (n)

the number of items, people etc found in a given area compared with other areas especially if large (mật độ)

breakthrough (n)

a sudden solution of a problem leading to further advances, especially in science