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Professor yan says real sniffer dogs also have other needs .

严教授说实际生活中的嗅探犬还有其他方面的要求。

The last laugh could be with mr yan , however .

然而，笑到最后的可能是严海春。

Several professors hustled zhang out of the room while yan called the police .

在其他几位教授催促张离开房间的同时，严电话报警。

Much of the rhetoric grouses yan " doesn 't have any scientific sense . "

主要是花言巧语，严抱怨道，“没有一点儿科学观念。”

Yan felt that the first step should be a ' national rejuvenation ' policy .

阎的观点是中国第一步应该采取“民族复兴”政策。