上等的波尔图葡萄酒必须倒入其他容器中以滤除自然沉淀物。Vintage ports must be decanted to remove natural sediments.在挑选长筒靴的时候，购买上等的好皮靴将是明智的选择。When selecting boots, fine, quality leather will be a wise investment.我喜欢买上等的东西.I like to buy things of firs...
For protein crystallization, the main impact of precipitant is on the solvent.对于蛋白质的结晶，沉淀剂主要在溶剂上产生作用。Liquids may not be too viscous or be susceptible to crystallization.液体不能太粘稠，也不能易结晶。The wires usually have a tendency to...
His most prized time, though, will be spent quietly on his farm.不过，他最宝贵的时光将在自己的农场里平静地度过。Quietly Mark poured and served drinks for all of them.马克一声不响地给他们每人倒好饮料并端上来。A lady always sits quietly with her hands in her lap.淑女端坐...
Stoppard had to recast four of the principal roles.斯托帕德只好更换4个主要角色的人选。She recast her lecture as a radio talk.她把讲稿修改成了一篇广播讲话。She recast her lecture as a radio talk.她把讲义改动後用作电台的讲话....