Hydrocarbons ( HC ), like carbon monoxide, represent unburned and wasted fuel.碳氢化合物 ( HC ) 像一氧化碳一样, 为未燃尽的和被浪费掉的燃料.With this restricted frequency range it is not applicable to hydrocarbons.这个较紧缩的频率范围不适用于烃类.These compounds...
Spacecraft Columbia touched down yesterday.“哥伦比亚”号宇宙飞船昨天着陆。Spacecraft which are re-entering the earth's atmosphere are affected by g forces.重返大气层的航天器受到重力的作用。The spacecraft made a successful reentry into the earth�...
" You've slaved a whole year, why not have a bite?'she would say.“ 你苦奔了一年, 还不吃一口 哪 ?During these first weeks she slaved joyfully.在最初的几周里,她干得很高兴.He was in the studio tearfully erasing all the tapes he'd sla...
伊德里斯大声地宣告说：“在海里，谁落在最后谁就不是爷儿们。”"Last one in the sea is a sissy," proclaimed Idris.海洋生物是生存在海里的生物.Marine creatures are those which live in the sea.那艘船在海里破浪前进,驶向港口.The ship ploughed through the sea toward port....