She avoided the issue by ordering a turkey sandwich.她点了份火鸡三明治，以此来避开这个重要问题。A surprising number of customers order the same sandwich every day.每天点同一种三明治的顾客多得惊人。Right, who's for a toasted sandwich then?好吧，谁想要吐司三明治？...
She could have made the sandwich herself; her mum needn't have bothered to do anything...她本来可以自己做三明治的;她妈妈原本不必费心做任何事情。...a double-decker sandwich.双层三明治The vibration behaviour of sandwich structure with spring interla...
甲烷和丙烷是烷烃。Methane and propane are alkanes.某碳氢化合物已知可能是烯烃或是烷烃.A hydrocarbon was known to be either an alkene or alkane.直链烷烃使机器的 “ 爆震 ” 问题更加严重.The straight - chain alkanes exacerbate the problem of engine " knock "....
Sarah had looked sulky all morning.萨拉一上午都不高兴地板着脸。She brought along a couple of sulky looking kids.她带来几个脸色愠怒的孩子.Young girls sometimes become sulky because they are jealous.少女们因为嫉妒而有时变得很不高兴....
The obverse of rising unemployment is continued gains in productivity.失业率上升，相对应的是生产率进一步提高。The result has been a giant leap in productivity.其结果是生产力的大幅提高。Wages were rising faster than productivity and this was eating into ...