变形虫是很简单的生物体.The amoeba is a very simple organism.当环境不利时,变形虫产生包囊.An amoeba forms a cyst when conditions are unfavourable.变形虫, 一种淡水生物, 就是这种情况.The amoeba, a denizen of fresh water, is such a case....
The albatross is the king of gliders.信天翁是滑翔鸟类之王.Gliders equipped with radio and recording instruments have been flown into the core of thunderstorms.装有无线电设备和记录仪的滑翔机曾飞进雷暴的中心.Troops were dropped or landed by gliders behind...
The boxes should be constructed from rough-sawn timber...这些箱子应该用粗锯木料来做。The country should have the right to defend itself with all legal means at its command.国家有权运用一切合法手段保卫自身安全。The clear message of the scientific reports...
Some acronyms as scientific terminology are used as a lexical item.一些科学术语缩写用作词汇项目.Soviet bureaucratese, especially the tongue - twisting acronyms and alien - sounding portmanteau words of the state security apparatus ( S...