上游的城市将污水排放到河里。Cities upstream use the river to get rid of sewage.向大气排放二氧化碳the emission of carbon dioxide into the atmosphere我们孩子们的健康正受到排放出的废气的损害。The health of our children is being endangered by exhaust fumes....
Some amphitheaters could be filled with water so that ship battles could be fought.一些这样的圆形竞技场还会被注满水以便表演海上作战的船只能够航行.In 7 th century BC, Romans inherited the traditions of Greece and built racetracks and unroofed amphithea...
Obique bridge is made up of main girder crossbeam and bridge floorings.斜交桥由相互斜交的主梁、梁及桥面板组成,结构受力复杂.Compatibility will require that the girder deflection at B be zero.根据协调性的要求,梁在B点的挠度应为零.The cross girder center segments of...
几位著名的研究人员正在研究通气过度的后果。Several notable researchers are studying the effects of hyperventilation.我的鼻子完全不通气了。My nose is all bunged up.大家要经常通气.We must keep in touch with each other....
这些大机构总是随意制定规定，而且说变就变。These large institutions make — and change—the rules to suit themselves.内务大臣正考虑制定一项针对跟踪骚扰的新法律。The Home Secretary is considering a new law against stalking.警察并不制定法律，只是负责执行。The police don't make t...
The entrainment rate should closely decrease exponentially with freeboard height.夹带率应几乎随自由空域高度成指数递减.The evaporator vapor lines are fitted with an entrainment separator.蒸发器的蒸汽线装有雾沫分离器.Orifice's pressure losses are at...