Songs were heard ringing loud and clear over the grasslands.草原上扬起清亮激越的歌声.Grasslands have been broken and planted to wheat.草原已经开垦出来,种上了小麦.She's fallen in love with the grasslands.她爱上了草原....
Diatomaceous earths are the skeletal remains of the tiny aquatic plants deposited centuries ago.硅藻土是百年前水生植物沉淀下来的遗骸.Belts of mountains are cause by movements in the earths crust.山丘带是由地壳移动而形成的.Rare Earths Group of South an...
然后通过大量实验筛选出两种有效添加剂环丁砜和六次甲基四胺.Following that, two effective additives - syclotersuphone and methenamine are found by series experiments.我们来讨论六亚甲基四胺.We examine the study of hexamethylenetetramine.以氨水、氯乙酸为原料,以六亚甲基四胺为相转移催化剂,...
He was not listed under his real name on the residents panel.他未以真名在居民名册上登记。Frances decided to conceal the machine behind a hinged panel.弗朗西斯决定把机器藏在带铰链的嵌板的后面。A panel of judges is now selecting the finalists.评判小组现在正选拔参加决赛的...
There was a loud thump as the horse crashed into the van.马撞在货车上发出砰的一声巨响。Don't say it serves me right or I'll thump you.别说我活该，不然让你尝尝我的拳头。The dog let his head thump on the floor again.那只狗又用头撞地板。...