It was mere waste of breath to argue with a person in so unreasonable a state of mind.与一个如此不讲道理的人争论纯粹是浪费口舌。Today solid waste produced by mine exploitation influences environment and it tends to became graveness.目前矿山开发产生的...
They make compost out of all kinds of waste.他们用各种废料制造堆肥。The ability to separate out reusable elements from other waste is crucial.能从其他废料中分离出可重复利用成分是很关键的。I think that is a total waste of money.我认为那完全是浪费金钱。...
Of course, now she is away at boarding school.当然，她现在住在寄宿学校那边。She sent her son to a boarding school in the East.她送儿子上了东部的一所寄宿学校。He found the transition to boarding school excruciatingly painful.他发现转到寄宿学校极其痛苦。...
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...
Not far away were other geothermal wellheads, their natural pressurized steam deflected into huge insulated pipes.不远处是另几口地热井, 它们的天然加压蒸汽输进了巨大的绝热管道.All experimental investigations about the geothermal conditions are based ...