Brass is an alloy of copper and zinc.黄铜是铜锌合金。The worker worked in a little copper with the alloy.工人在合金里搀了一点铜.This is not pure gold ; there is some alloy in it.这不是纯金, 里面混有杂质....
Remove of iron from sulfuric acid leaching solution of ferrochromium alloy by goethite is researched.研究了用针铁矿法从铬铁合金硫酸浸出溶液中除铁并回收铬.Some martensite like bainites such as crossed type and midrib type in the alloy were investi...
He'll go to school in the latter part of the year.后半年他将上学了.Children need some orientation when they go to school.小孩子上学时需要适应.We don't have to go to school on Sundays.星期天我们用不着上学....
我根据收集到的证据推论出这件事实.I inferred this fact from the evidence I have gathered.你这个结论是按照形式逻辑的方法推论出来的.You arrived at your conclusion using the methods of formal logic.你的条理清楚的推论非常正确.Your clear reasoning is quite correct....