kilo- /ˈkɪloˌʊ-/

• 1. 

  PREFIX Kilo- is added to some nouns that refer to units of measurement in order to form other nouns referring to units a thousand times bigger. 用于某些表示计量单位的名词前，表示“千”

  例：

  ...100 kilowatts of energy.

  ...100千瓦的能量。

  例：

  ...an explosion of around 20 kilotons.

  ...相当于20千吨的一次爆炸。