We must make the best of the few natural resources we have.我们一定要尽可能地利用我们所拥有的一点自然资源.His advice, offered to her unasked, was to stay home and make the best of things.他主动给她提出的建议是呆在家里尽量做些事。It's no use complaining about ...
European anemone with solitary white flowers common in deciduous woodlands.林地生长的每年落叶的只开一次白花的欧洲种银莲花.Red, Anemone _ flowered ; stout stems , long stalks , lage thick leaves in dark green , spreading, freely branched , medi...
We crowded into the hatches.我们挤进舱内.Each of these eggs hatches out into a tiny grub.这些虫卵中的每一个都将孵化出一条小幼虫。Many firms are battening down the hatches and preparing to ride out the storm.很多公司正在加紧准备，希望能挺过这场暴风雨。There's a st...
They offer tips on topics such as home safety.他们就家居安全等问题提供建议。The Oxford Chemistry Primers aim to cover important topics in organic chemistry.《牛津化学初级读本》丛书旨在论述有机化学中的重要问题。They talked amiably and easily about a range of topi...
介绍了平齿根齿侧配合英制渐开线花键计算、测量的基本公式及方法.This paper introduces calculation and measurement of BRITISH Standard Involute splines.里基本上涉及了渐开线行星齿轮传动的整个领域.The whole field of planetary gear transmission is dealt - with.渐开线花键滚轧轮的设计是渐开线花键...