I have been unavoidably prevented from coming.

Pressing business matters prevented him from taking a holiday.

他因商务上有紧迫事情而不能去度假.

The club's constitution prevented women from becoming full members.

这个俱乐部的章程不允许女性成为正式会员。

Scientists are still studying how the compound prevents pathogens from infecting cells.

科学家仍在研究这种化合物如何阻止病原菌侵染细胞.

Spraying the area around buildings with an insecticide also prevents insect build up.

建筑物周围洒布杀虫药也能防止昆虫孳生.

The Supreme Court today struck down a law that prevents criminals from profiting from books or movies about their crimes.

最高法院今天废止了一项关于禁止罪犯把其罪行写成书或拍成电影而从中牟利的法律。

The scintillation of the earth's atmosphere prevents this limit from being attained.

地球大气的扰动使这一分辨率无法达到.

This prevents urine from running back under the cast.

这可防止管型下的尿液倒流.

One method of preventing seawater intrusion is to reduce offtake to a planned level.

防止海水入侵的一种方法是减少开采量使其达到设计的地下水位标高.

Why the walls and the fences preventing open, natural relationships between men and women?

为什么要树起这些围墙, 篱笆来阻挠男女之间自然的关系?

Sterility is some permanent factor preventing procreation.

不育是阻碍生殖的一种永久性因素.

The methods and machinery for preventing or terminating conflicts have taken many forms.

防止冲突和制止冲突的方法和机构采用了多种形式.

Talks between the two countries are for political purposes.

两国间的谈判是出于政治目的.

The two friends find themselves at cross-purposes with the officials.

这两个朋友发现他们与官员们无法沟通。

They emphasised that their equipment was for peaceful and not military purposes.

他们强调他们的设备用于和平而非战争目的。

To all intents and purposes the case was closed.

实际上该案已经了结了。

They took a plaster cast of the teeth for identification purposes.

他们做了这副牙的石膏模型作鉴别之用。

Too bad he used his intelligence for criminal purposes.

他把聪明都用在了犯罪上，太可惜了。

The stock-brokers did not corner Mr Barber as they purposed; you don't catch a weasel asleep.

股票经纪人没按原来的打算把巴伯先生逼入绝境, 你不可攻其不备.

He purposed to both charm and astonish me by his appearance.

他是想以他的外貌让我着迷,使我吃惊.

Like March, having come in like a lion, he purposed to go out like a lamb.

像3月的天气一样, 他既然来时像只猛狮, 打算去时像只绵羊.