These fires create convection funnels, and throw a lot of particles into the upper atmosphere.这些火焰造成了对流漏斗，把许多微粒抛向上层大气。Convection can be of two types: natural convection and forced convection.对流可分为两类, 即 自然对流和强制对流.Conducti...
Everyone needs a little downtime.大家都需要休息一下。Third, the phenomenon of individual enterprises production downtime occurs.三是个别企业出现停工停产现象.Downtime in Hollywood can cost a lot of money.在好莱坞停工会损失许多钱。On the production line, down...
She was already a keen and experienced sailor, having crewed in both Merlin and Grayling.在“默林”号和“格雷林”号上工作过以后，她已经是一名头脑敏捷、经验丰富的水手了。Fishing for grayling in Norwegian lakes has caused a similar pattern in these fish.在挪威捕河鳟也导...
They loosed the covert fear that Croft would be watching them.他们一下也顾不得是不是会引起克洛夫特的注意了.A dozen people were watching her, smirking at her discomfort.有十来个人在看着她，对她不安的样子幸灾乐祸地笑着。I spent the evening sprawled on the sofa, watchin...
I was so tired I crashed out in an armchair.我十分疲倦,在扶手椅上睡着了。She flopped into an armchair.她猛然坐到扶手椅上。He lounged in an armchair in a stance of deliberate contempt.他懒洋洋地躺在扶手椅里,故意摆出一种轻蔑的架势.This great book is ideal for both the...