催化剂是一种能加速化学反应的物质.A catalyst is a substance which speeds up a chemical reaction.各种陶土管用作转化催化剂的载体.Various ceramic materials have been suggested as supports for reforming catalyst.经过泡水试验,催化剂应不开裂或破碎.To pass the water test the...
She then decided right before the opening to make a dramatic announcement.然后就在开幕式开始之前，她决定要宣布一件激动人心的事情。He was floored by the announcement.这个通告使他不知所措。The announcement was greeted enthusiastically.公告受到人们的热烈欢迎。...
他们只在乎自己的宗教信仰。They were concerned only with their own religious fervour.这家伙据说并不怎么在乎。The rap on this guy is that he doesn't really care.我对金钱并不太在乎。My attitude to money is slightly easy come, easy go....
以纸张的裂断长(米)来表达纸张品质.The quality of paper by specifying its breaking length in metre.岩脉是沿着裂断系统侵入的,裂断系统以冷却火山岩与花岗岩质岩石形式形成.Dykes were intruded along a fracture system that formed as the volcanic and granitic rocks cooled.裂断强度:...