A vacant lot or a bombsite can, to the amateur naturalist, produce an extraordinary variety of flora and fauna.对于业余博物学者来说，在一片空地上或被炸后的废墟里可能发现种类繁多的植物群和动物群。He was a printer by trade and naturalist by avocation.他从事印刷业，同时是个博物...
Demulsibility Property of a lubricant tO separate from water.抗乳化性指润滑油与水分离的能力.Good demulsibility promotes quick water separation. If water is an unavoidable contaminant, thereby ensuring effective lubrication.抗乳化性强,能迅速把水份...
The horrors he experienced are imprinted, perhaps indelibly, in his brain.他经历的恐怖事件在他脑海中刻下了深深的，或许是难以磨灭的印记。She has a first-class brain and is a damned good writer.她头脑相当灵光，是个非常棒的作家。Hallucination is common in patients who ha...