该反应产生了几种氧化物和其他伴生物.The reaction produced some oxides and other by - products.在我们的日常生活中氧化物很常见.Oxide is usually seen in our daily life.发电厂和工厂是硫氧化物的主要来源.Electric utilities and industrial plants are the principal producers....
Coal mining is a messy business, often wreaking terrible environmental damage nearby.采矿是肮脏的行业, 往往会严重破坏周边环境.The floods are wreaking havoc in low - lying areas.洪水正在地势 低洼 地区肆虐.RC: But using the goblins as guinea pigs is wre...
莫莉已经努力克服了对飞行的恐惧。Molly had fought and overcome her fear of flying.载人宇宙飞行的前景看上去充满了越来越多的变数。The future for manned space flight is looking increasingly uncertain.蝙蝠是唯一的有翅膀且能持续飞行的哺乳动物.Bats are the only mammals to have wings an...
China was the first country in the world to synthesize crystalline insulin, a bioactive protein.中国在世界上最早用人工方法合成一种有生物活力的蛋白质--结晶胰岛素.Microorganisms can produce many beneficial bioactive substances through secondary metaboli...
The variations in microstructure of these specimens after annealing are investigated by Mssbauer hyperfine parameters.用穆斯堡尔谱超精细参数研究微观结构随退火温度的变化.The toughness, fractograph and microstructure of the failed die specimens ha...