Maybe, if studies on a chemical compound pan out.有可能, 如果某种化学合成物能研究成功的话.A vitamin is a chemical compound that cannot be synthesized by the human body.维生素是一种人体无法合成的化合物。The iron in the chemical compound must be purged.化学混合物...
He slides the bolt in place to keep the door from swinging.他推上插销,使门不摇晃.There was the rasp of a bolt and the door opened.门闩发出刺耳声响,门开了.Remove the inboard seatback pivot bolt.拆卸内侧座椅背枢轴螺钉.When I pushed his door open, Trevor ...
They set off at a jog up one street and down another.他们开始沿着一条又一条的街道慢跑。He went for another early morning jog.他又去晨跑了.Our lives just jog along from day to day.我们的生活安稳地过了一天又一天....
The headquarters had been infiltrated by enemy spies.总部混入了敌方特务。If caught, the men could be summarily shot as spies.这些人一旦被抓就可能当作间谍立即处决.Have'em out, there Spies!把他们抓出来, 喂!密探!...
Ozone is a highly reactive form of oxygen gas.臭氧是一种非常活跃的氧气形态。Ozone is produced by the reaction between oxygen and ultra-violet light.臭氧由氧气和紫外线发生反应而产生。Every spring the ozone is chewed up, and the hole appears.每年春天，臭氧遭到破坏，...