这些试验的有效性已显得令人怀疑.The tests have been shown to be of dubious validity.他们正在检测这种草药作为杀菌剂的有效性.They're doing tests to evaluate the effectiveness of this herb as an antiseptic.蛋白质还可以作为检测实验治疗有效性的标识物.They can serve as markers...
I had a nagging worry that we weren’t going to get there.我有个挥之不去的忧虑，就是担心我们到不了那里 。I had a nagging feeling that I had forgotten something.我有某种不安的感觉，好像忘了什么东西似的。...nagging headaches.顽固的头痛Lenny still could not dissolve the na...
应用: 大型舞台的顶光, 耳光和影视布光.Usage: lighting fou theatre , TV and film as basic light side light.整合并且为整个场景布光, 适当调整材质, 分层渲染不同元素.Lighting artists tasks include assembling and lighting scenes, adjusting material property , and rend...
He knew that his hearers wanted to hear this story.他知道自己的听众想听这个故事。The strange stories gripped the hearers'attention.这些奇妙的故事抓住了听众.He was shocked by the violent reactions of some of his hearers.听众中一部分人的强烈反应令他震惊....
煮20分钟，直到液体体积减半。Boil for 20 minutes until the liquid has reduced by half.铁路旅费对儿童减半.Railway fares are reduced by half for children.他们把人员减半以减少支出.They retrenched by eliminating half the workers....