他的外科手术器械是一把刀和一把钳子。His surgical instruments were a knife and a pair of pincers.给外科手术器械消毒to sterilize surgical instruments所有的外科手术器械在使用之前,必须消毒.All surgical instruments must be sterilised before use....
Chickens and ducks scratch around the outbuildings.鸡鸭在棚子周围到处乱刨。The track led them to a huddle of barns and outbuildings.那条路把他们带到了一片杂乱拥挤的谷仓和库房.The white blanket lapped over the roofs of the outbuildings of the little farm...
Unlike synthetic dyes, natural dyes are not dependent on non - renewable resources.与合成染料不同的是, 天然染料不依赖不可再生资源.Conventional dyes are commonly synthetic and originate from petroleum, a non - renewable resource.传统的合成和染料通常来自石油...
Her untimely return could spoil Miss Melville's entire programme for the evening.她提前回来可能会破坏掉梅尔维尔小姐今晚的整个计划。His mother's untimely death had a catastrophic effect on him...他母亲的早逝给了他沉重的打击。...an untimely visit from ...
The BOD test is essentially a bioassay procedure.BOD试验实际上是一项生物测定方法.The bioassay of freshwater sediment toxicity is described.描述了淡水沉积物毒性的生物测试方法.The field bioassay of 4 trunk injection insecticides ( 14 % Imidacloprid + DD...