In 1818 Fresnel entered a competition sponsored by French Academy.1818年菲涅耳参加了法国科学院主办的一次竞赛.The difficulty was resolved by Fresnel with his addition of the concept of interference.菲涅耳通过加进来干涉概念,解决了这个困难.In many cases, the Si...
"Kathleen" was, as its 1892 subtitle asserted, "An Irish Drama".正如1892年剧本的副标题所强调的，《凯瑟琳》是一部“爱尔兰戏剧”。'Kathleen' was, as its 1892 subtitle asserted, 'An Irish Drama'.正如 1892 年剧本的副标题所强调的，《凯瑟琳》是一部“爱尔兰戏剧”。Th...
Switch to paying your mortgage by direct debit.改成用直接借记方式偿还抵押贷款吧。on the debit side of an account账户的借方We pay all our bills by direct debit .我们以直接借记方式支付所有账单。...
He started to hack away at the tree bark.他开始砍树皮。Smith tries to convince them that he can hack it as a police chief.史密斯试图让他们相信，作为警长自己能应付得了。He made a hack at the log.他朝圆木上砍了一下.Osbaldiston jabbed his finger at it, harking h...
In what way do proletarians differ from manufacturing workers?第十个问题∶无产者和工厂手工业工人有什麽区别?Not only should proletarians emancipate themselves but also the whole mankind.无产者不只要解放他们自己,而且要解放全人类.Don't care the cigar bourgeois...