以: use; take极: I the utmost point; extreme快: fast; quick; rapid; swift; s ...的: 4次方是 The fourth power of 2 i ...光速: velocity of light a surname以极快的速度: at tremendous speed极快的: nimble; splitting; steel-trap极快的快板: allegro molto〔美空俚〕起飞降落极快的飞机。: hotplane极快: as quick as thought; in seven-league boots; in seven-leagued boots光速: speed of light; velocity of light (光磁); light velocity; ray velocity 光速约为每秒30万公里。 the velocity of light is about 300,000 kilometres per second快的: fast; haste; rapid; s quick; schnell; speedy; swift; tantivy; 记录符号为q极快板: allegro assai; allegro motto极快地: as quick as thought; lickety-split; quick as thought极快乐: extremely happy科以极刑: sentence someone to capital punishment -- death penalty以极电极: bipolar electrode以极少的量: by only a little以极少的钱: on a shoestring using very little moneyy超光速: faster-than-light; super velocity of light; superluminal motion; ultra light velocity光速度: velocity of light光速率: optical speed光速面: ray-velocity surface光速圈: speed of light circle光速侠: lightspeed