All - E long chain part was synthesized from solanesol, then condensed with the reductive product of 2,3 - dimethoxy - 5 - methyl -1,4- benzoquinone in the presence of dry ZnCl2.

首先以茄尼醇合成全反式侧链四十碳十烯-1-醇，再和2，3-二甲氧基-5-甲基-1，4-苯醌的还原产物在无水氯化锌存在下缩合。

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Shares are deemed pricey when the p/e ratio is above its long-run average.

如市盈率超出长期平均状况，股份价格即被视为昂贵。

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A recent review of the Selenium and Vitamin E Cancer Prevention Trial showed long-term, regular use of Vitamin E supplements increase the risk of prostate cancer in healthy men.

最近，一项针对硒和维生素E抗癌试验的报告显示，长期规律服用维生素E补充剂会增加健康男性患前列腺癌的风险。

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London, already by the late sixteenth century, one-sixth of all the people, I think this is E.A. Wrigley who pointed this out a long time ago--one-sixth of all the people in England went to London frequently, because London was absolutely gigantic as a city.

伦敦,早在十六世纪后期,六分之一的人口,我想是E.A莱格力很久以前给出的这个数据,他指出,当时有六分之一的英国人,会经常去伦敦,因为伦敦当时是个巨型城市

耶鲁公开课 - 欧洲文明课程节选

But it's still great for tapping out long e-mails, and the batteries last a long time.

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S.E. has long been laboring in what Dryhoff called a "hidden business, " only coming into the spotlight over the past six months.

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As the Farley sailed from Puerto Ayora, Watson wrote me a long e-mail from the radio room, in which he declared his intention to stay and look for poachers in Ecuadoran waters.

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