这台发动机类似目前的单作用煤气和重油发动机.This engine resembled present single - acting gas and oil engines.重油报价为每桶17美元.The heavy oil was quoted at $ 17 per barrel.这种重油会妨碍机器的运转.That heavy oil will clog up the machinery, ie prevent it from w...
This evening we're debating the issue of the legalization of soft drugs.今天晚上我们辩论的课题是软毒品合法化.They sat for hours debating the pros and cons of setting up their own firm.他们在一起坐了数小时，讨论自己创办公司的利弊。The telephone rang. Cather...