Sandstones are, as a rule , interbedded with shales.砂岩通常都与页岩互层.Oil - yielding organic matter is contained in the shales.在这些页岩里有产油的有机物质.Alternating sandstones and shales are regarded as important.蚀变的砂岩和页岩是很重要的....
目的: 本文研究鹅去氧胆酸 ( CDCA ) 对呼吸系统的影响.Objective: In this paper, antitussive , antiasthmatic and expectorant action of chenodeoxycholine acid ( CDCA ) were studied.目的研究猪去氧胆酸中的杂质成分和纯化方法.OBJECTIVE To investigate the impurities of...
Accusations of tax evasion have tarnished his clean image...避税的指控使他的清白形象蒙污。Upon being convicted for tax evasion. Grimes was sent up for five years.格兰姆斯困偷漏税被判处5处徒刑.The President faces 54 charges of corruption and tax evas...
She kept me waiting without the slightest compunction.她让我久等却没有丝毫的歉意。Shame , compunction, sense of futility flooded his whole being.差耻, 内疾和徒劳的感觉浸满他整个的人.I felt some compunction at having kept her waiting.我有点后悔要她等我.He felt ...