她正在忙着收拾早饭后的那一摊子。She was in the middle of clearing the breakfast things.几分钟后我就能做点儿早饭出来。I'll have some breakfast ready in a few minutes.他来到餐车车厢吃早饭。He made his way into the dining car for breakfast....
Dibromo neopentyl glycol was prepared from pentaerythritol and hydrobromic acid.由季戊醇、氢溴酸制备了二溴新戊二醇.In organic bromide turn thing production line, it is usually by - product large quantity hydrobromic acid.在有机溴化物的生产过程中, 往往...
It's true she gets madly impatient with him, but what mother doesn't?她确实对他极其不耐烦，但哪个母亲不是这样呢？She's impatient for her father's arrival.她急切地盼望着父亲的到来。He is impatient of reproof.他不能忍受指责。You are too impatien...
他血液中的酒精浓度是允许极限的3倍。He was found to be three times over the limit.极限的上、下限之间的差称为公差.Tolerance. The difference between upper and lower limits is called the tolerance.跟著这些挑战极限的垂钓者,一起来钓世界上的超级大鱼!Catch some of the world's bi...