工作时周围环境温度恒定有多么重要呢？How important is it to have an even temperature when you're working?温度通过热传导变得一致，直到最终达到恒定状态。Temperature becomes uniform by heat conduction until finally a permanent state is reached.那栋砖砌的房子里全年温度恒定。T...
Lean hard-training women athletes may menstruate less frequently or not at all.身材瘦削而且训练艰苦的女运动员行经可能不那么频繁，或者根本不来月经。sweltering athletes.中暑的运动员The athletes’ reflexes were tested under laboratory conditions.在实验室条件下测试了这些运动员的反应...
The area has been the scene of fierce fighting for three months.这一地区3个月以来不断发生激战。The fighting has been centred around the town of Vucovar.战斗主要集中在武科瓦尔镇周围。After a good night's sleep I feel fighting fit again.昨夜睡得很香，我又觉...
The company has steadily been losing market share to Boeing and Airbus.该公司的市场份额持续不断地被波音公司和空中客车公司抢走。Buying that airbus was an expensive mistake.买那种客机是个代价高昂的错误.Chicago based Boeing has been a fierce competition for sales w...
从山上冲刷下来的泥土就要让水电大坝淤塞了。The soil washed from the hills is silting up the hydroelectric dams.河道淤塞, 水无出路.The riverbed is silted up , so there's no outlet for the floodwater.河道淤塞,水流迟滞.The river is silted up and the water ...