在下

The reaction of fluoroalkyl iodides with ethyl vinyl ether and amines in the presence of sodium dithionite was studied.

研究了在保险粉存在下，氟烷基碘(1)与乙烯基乙醚和伯胺或仲胺(2)的反应。

The reaction of polyfluoroalkyl iodides with 4-pentenoic acids in the presence of sodium dithionite at room temperature in aqueous acetonitrile solution [CH〓CN: H〓O=3: 1 ] to gave the corresponding adducts, the latter could form γ-lactones 31～51 in the same medium in 62～92％ yield.

室温下，在乙腈/水[3：1]的介质中，多氟烷基碘化物在连二亚硫酸钠的存在下与4-戊烯酸及其在2或3位上具有取代基团的衍生物进行反应，反应2～5h，起先生成两者的加成物，该加成物无需分离，在同一介质中，可进一步反应得到相应的多氟烷基取代的γ-丁内酯31～51，产率62％～92％。

In this example we want to trap any divide-by-zero errors but we don't divide by anything.

在下例中，我们想要捕捉任何除零错误，但我们遇到了另外一种错误－－分母缺失。

You will find out a lot more about potential dividers in the next Chapter.

在下一章节，你将得到更多的分压电路资料

People says the statuesque do-gooder, who showed off her swelling belly in a comfy-looking maxidress while strolling in Boston on Thursday, should have her pilot's license by next month.

人们说，她炫耀了肿胀的腹部，身穿舒适的maxidress（当她于周四漫步在波士顿时），她应该在下个月得到她的飞行员执照。

The Aston Villa captain impressed in both matches and he feels he has presented England coach Steve McClaren with a dilemma ahead of October's double-header.

阿斯顿维拉队长在两场比赛中的表现让人印象深刻，他感觉他已经使英格兰主帅在下个月比赛的排兵布阵上进退两难了。

North is down, East is right.

图中北在下，东在右。

On the downswing, Hogan's first movement was to push the knee inward to the left and toward the ball.

在下挥杆时，侯根的第一个动作就是向内向左推动右膝关节到球的位置。

We are downwind, and he seems to have a hearing loss.

我们在下风口，而且他有听力丧失

Apparently, they couldn't formally enroll me until the next summer, because I had to go to summer camp before I could enter ROTC classes, but signing a letter of intent was enough for the draft board to waive my induction date and give me a 1-D Reservist classification.

显然，在下个暑假前，他们还不能正式录取我，因为在参加后备役军官训练军团前我得去参加夏令营。但签署一封意向书就足以让征兵委员会同意取消我的新兵报到，并把我列为预备役1-D类。

For a big chunk of credit-card losses; the number of filings (and thus charge-off rates) would be rising again, whether

年美国个人破产法的一个改动使得破产登记急速下降，而后引起了信用卡大规模的亏损。

Eph. 4:23 And that you be renewed in the spirit of your mind

弗四23 而在你们心思的灵里得以更新