General targets have hydrogen peroxide, sodium hypochlorite, potassium permanganate, and so on.一般的氧化剂有过氧化氢 、 次氯酸钠 、 高锰酸钾等.Hydrogen is a corlourless, odourless gas.氢气是一种无色 、 无味的气体.Producing the hydrogen fuel uses the harm...
Hydrogen is used extensively in industry for the production of ammonia.氢气在工业上广泛用于制氨。He mobilized public opinion all over the world against hydrogen-bomb tests.他动员全世界的舆论反对氢弹试验。Carbon, hydrogen and oxygen combine chemicall...
公司需要上保险以防备火灾、洪灾等风险。A business needs insurance against risks such as fire and flood.我对这事引起的诸多麻烦毫无防备。I was not prepared for all the problems it caused.她毫无防备地被拍摄下来。The camera had caught her unawares ....
Fewer than 7% of asylum seekers are accepted as political refugees.寻求避难者中有不到7%的人被视作政治难民。He applied for asylum in 1987 after fleeing the police back home.1987年他在本国逃脱警察追捕后，就申请了政治庇护。France had agreed to his request for poli...
He was replaced by Lt Frank Fraser.他被弗兰克·弗雷泽中尉顶替。This collapse was witnessed by Lt . Col . William Reid of the British Army.这次坍毁事故为英国陆军中校威廉?里德所目击.Don't underestimate my mouth lt's vety hard to burn!别低估了我的嘴它不会轻易...