They skip rope and play catch, waiting for the bell.他们又是跳绳，又是玩接球，等着上课铃声响起。It's the first so-called mercy flight for a fortnight as the Americans have been waiting for enough people to fill a 747 jet.美国人一直在等人坐满一架747飞...
The area where most refugees are waiting is exposed to the elements.大多数难民等待救济的地方都不能挡风遮雨。The children were waiting for placement in a foster care home.这些孩子在抚育院等待安置。They skip rope and play catch, waiting for the bell.他们又是跳...
恒温器可用来调节室内温度.Thermostats can be used to regulate the temperature of a room.有种恒温器就是一根金属带,它受热时弯曲.One kind of thermostat is a strip of metal while bends when it gets hot.铸焊模具应达到所要求的温度而通常用恒温器控制.Also the machine mold is up to...
盐水的腐蚀作用the corrosive effects of salt water反渗透主要应用于生活用含盐水的脱盐.Principal application of reverse osmosis has been in desalting brackish waters for domestic consumption.在昌都地区澜沧江边往盐田背盐水的妇女.Tibetan women carrying brine to the o...