在1,000英尺的高度飞行时，他听到旋翼发出一种奇怪的噪音。Flying at 1,000 ft. he heard a peculiar noise from the rotors.给我们在空置的大楼西翼分了一间办公室。We were given an office in the empty west wing.他因驾驶的单翼飞机失速坠地而丧生。He was killed when his monoplane stalled and ...
...vegetable-dyed yarns.用植物染料染过色的纱线Fibers may be loosely or tightly twisted into yarns.纤维可以是膨松地或紧密地捻成纱线.Combination yarns can also be texturized with differential bulk effects.混合股线也可用差异膨化效应来变形....
This is wasteful because it deprives the soil of valuable nutrients.这是一种浪费,因为它夺走了土壤的有价值的养料.Try to avoid wasteful duplication of effort.尽量避免无用的重复劳动。It is a shame to be so wasteful.这样浪费太可耻了。He became apoplectic about waste...
"Very well," I said, adopting a crisp authoritative tone.“很好，”我用干脆的命令性的语气说道。The evidence she uses is usually highly authoritative.她采用的证据通常都具有很高的可信度。an authoritative tone of voice命令式的口气...
This is the scalpel which Norman Bethune used in those days.这是当年白求恩大夫用的手术刀.He felt the scalpel in his hand, and paused a moment.他试了试手里的手术刀, 踌躇了一会儿.A scalpel and tweezers are the only tools needed.只需备有解剖刀和镊子....