Fuel propane is scented with mercaptan odourants for leak detection.燃料丙烷通常添加硫醇这种刺激性的物质用于泄漏检测.Workplace air - Determination of methyl mercaptan - Gas chromatography method.车间空气中甲硫醇的气相色谱测定方法.The heptanal butyl mercaptan wa...
The derelict soldier shirked his duties.这名疏忽的士兵推卸了他的责任....a forsaken church and a derelict hotel.废弃的教堂和无人居住的旅馆Derelict inner - city sites could be sold off cheaply for housing.荒废的内城区可以廉价出售用来修建房屋.But, if PSC is censorial ...
这首交响曲确实需要为数不少的一组演奏者。The symphony does require a largish group of players.莫里斯在1978年创作了由12幅画组成的一组作品。Morris executed a suite of twelve drawings in 1978.他们用吊索把我们从高处的一组吊臂上放到低处的另一组吊臂上。They used slings of rope to lower us from ...
在客人们鱼贯进入餐厅之前，她核实了一遍座位安排。She checked the seating arrangements before the guests filed into the dining-room.宾馆为客人提供机场接机服务。Hotels operate a collection service for their guests from the airports.在与客人喝餐前酒的时候，有人提到了这个话题。The sub...