一旦杂质沉淀下去，油就可以分级了。Once its impurities had settled, the oil could be graded.将硫酸盐加入该溶液会产生沉淀.Adding sulphate to the solution will give a precipitate.渣滓沉淀在容器的底部.Dregs settled at the bottom of the container....
斑驴是一种极美丽的斑马变种。The quagga was a strikingly beautiful variant of the zebra.人类既不能创造变种, 亦不能阻止变种发生.The man can neither originate varieties, nor prevent their occurrence.新形成的变种或许会从它的祖先遗传来某些特性的差异.The newly - formed variety woul...
He had never been able to disbelieve it completely.他从未能够对此予以全盘否定。Why should I disbelieve her story?我为什么要怀疑她的说法呢？Don't think I disbelieve your story.别以为我不相信你的话....
无人得以幸免。Not a man was spared.因为进攻失败,他们全部被杀, 无一幸免.They were killed, to the last man, in a futile attack.在这次事故中,他幸免受伤.In the accident he escaped from being injured....
救援人员正在废墟中挖掘，以搜寻其他受害者。Rescue workers are digging through the rubble in search of other victims.在那个地点又挖掘出几具尸体。More bodies have been dug up at the site.他们试着在洞穴正下方的一块地上挖掘。They tried digging in a patch just below the cave....