Oil - yielding organic matter is contained in the shales.在这些页岩里有产油的有机物质.Thus clays and shales tend to be impermeable.因此粘土和页岩就往往不透水.Sandstones are, as a rule , interbedded with shales.砂岩通常都与页岩互层.Alternating sandstones and...
After twenty-four hours of fighting, the remnants of the force were fleeing.战斗持续了24个小时后，该部队残部打算溜掉。Press reports said that 65mm of water fell in twenty four hours.媒体报道称24小时内的降雨量达到了65毫米。The Egyptians probably measured thei...
It'serves you right. As a man sows, so does he reap.你是罪有应得, 种瓜得瓜, 种豆得豆嘛!You'll soon begin to reap the benefits of being fitter...你很快就会体会到身体更健康带来的好处。It is not easy to reap the harvest of my hard work.获得自己辛勤工作的成果...