The birds cannot afford to relax their vigilance against predators.鸟儿不敢放松对捕食者的警戒。Constant vigilance is necessary in order to avoid accidents.为了避免意外事故,必须经常保持警惕.Never relax your vigilance while you live in peace.你们要居安思危.We...
...their lost homeland.他们失去的祖国I would adore to settle back homeland.我非常喜欢回家乡定居。Our growth is the evidence of our homeland's development grandness.我们的成长见证了祖国的发展壮大.He returned to his homeland with the purpose of servi...
Asbestos can be used to insulate a cooking stove.石棉能用来使烹调用的炉灶绝热.When you're busy all day the last thing you want to do is spend hours slaving over a hot stove.辛苦了一整天之后，最不愿意做的事情就是在热烘烘的炉子前再忙活上好几个钟头。Emptiness after the...
Universities are facing grave problems because of diminishing resources.由于资源的减少，大学正面临严峻的问题。Yet this simple arithmetic ignores an offsetting effect: diminishing marginal returns.然而,这种简单的算法忽略了一种抵消效应: 边际收益递减.The unskilled s...