我们必须找到从页岩中采油的经济方法.We must find economical methods for extracting oil from shale.我们可以从页岩中提取石油.We can extract oil from shale.这个地区的灰岩 、 砂岩和页岩都是很柔软的.The limestone, sandstone and shale of this area were soft....
Her knuckles whiten as she clenches her hands harder.她的手握得越来越紧，指节都变白了。I must whiten my tennis shoes.我得把我的网球鞋刷白.Use: Used to wash, condense and whiten the pulp.用途: 适应于浆料的洗涤 、 浓缩和漂白....
A good anvil does not fear the hammer.真金不怕火炼,好汉不怕考验.His independence had been forged on the anvil of a harsh environment.他的独立性是在艰苦的环境中锤炼出来的。The anvil onto which the staples are pressed was not assemble correctly.订书机上的铁砧安...
It was an actor whose name escapes me for the moment.那个男演员的名字我一时想不起来了。Water gradually escapes by seepage through the ground.水逐渐从地上渗走了。The gas pipe has been blocked off to prevent escapes.煤气管道已被关闭,以防漏气....