也许他正在为其中牵扯的道德问题而伤脑筋。Perhaps he was agonizing over the moral issues involved.他为孩子们大伤脑筋。He was rather bemused by children.他坐在那里对着古老的希伯来文本大伤脑筋。He sits puzzling over ancient Hebrew texts....
Iron ores of greatest economic interest contain magnetite and hematite.最具有经济价值的铁矿包括磁铁矿和赤铁矿.It'sensed a mineral called hematite that often forms under wet conditions.发现一种被称作赤铁矿的矿物质,一般是在湿润的环境下形成的.Factors influencing t...
他的小说都是些肤浅沉闷的玩意儿，只有一本除外。With one exce-ption his novels are shallow and lifeless things.在东柏林就餐曾经是一件危险而且沉闷无趣的事情。Eating in East Berlin used to be a hazardous and joyless experience.事情变得有点沉闷无聊的时候，不要胆怯。Don't be faint-hear...
The development of production impels us continuously to study technique.生产的发展促使我们不断地钻研技术.Instinct impels the cuckoo to migrate.本能促使杜鹃迁徒.The wave behind impels the wave before.后浪推前浪....
The accident was caused by negligence on the part of the driver.事故是由于司机的过失造成的。Many a customer has been lost through negligence of service.由于服务不周失去了许多老主顾.They charged him with negligence of duty.他们指责他玩忽职守....
疏水阀的流向要与管路流向一致.Steam trap flow direction in accordance with that of the pipe line.疏水阀是如何知道何时开启何时关闭?How does the steam trap know when to open and close?圆盘式疏水阀适用于高压差的蒸汽主管线,蒸汽管网的阻汽疏水.Disk type steam traps are for high press...
Tryptamine, cadaverine and histamine produced during beer brewing could improve beer flavor and beer quality.啤酒中常见的生物胺有酪胺;啤酒酿造过程产生适量色胺、尸胺、组胺,能改善啤酒风味,提高啤酒质量....