某些

Sometimes a creature uses a pair of antennae to swim.

有时动物使用其一对触须来游泳。

Absenteeism is a problem in some industries.

企业中存在经常有人旷工的问题。

Adventure is the salt of life to some people.

冒险对人来说是生活中的刺激。

Adventure is the salt of life to some men.

对人来说，冒险是生活的刺激。

I admire the oratory of some politicians.

我佩服政治家的辩才。

The document expressed some ambivalence over the doctrine of predestination.

这份文献显示出对宿命论的矛盾观点。

Some communicable diseases are transmitted only through the agency of vermin or insects.

染病只通过害和昆来播。

Some communicable diseases are transmitted only through the agency of insects.

染病只通过昆来播。

These crustaceans provide a valuable food source for some fish.

这甲壳纲动物是鱼类重要的食物来源。

There were points of similarity between them.

他们之间有相似之处。

Certain chemicals are easily absorbed into the bloodstream, while others are not.

化学药品很容易溶于血液, 有则不行。

Some drugs can cause the inhibition of normal bodily activity.

药物能抑制正常的身体功能。

Ceratin people are sensitive to gluten (celiac disease) and must have a gluten-free diet.

对谷蛋白敏感（乳糜泻患者）的人必须食用不含谷蛋白的食物。

(b) “prohibitory injunction” that forbids something to be done.

（b）禁止性禁令禁止做事。

So,technical innovation of casing scratcher is done.Free swivel joint is successfully applied.

但工具在施工中不能完全满足施工质量和施工安全的要求。

Certain charities are exempt from VAT registration.

慈善机构无须进行增值税登记。

Food shortages and starvation are endemic in certain parts of the world.

食物短缺和饥荒在世界的地区经常发生。

In their evaluation of the project, they considered only certain aspects of it.

在估算这个项目时，他们只考虑了其中的方面。

The fission of the cell could be inhibited with certain chemicals.

细胞的裂变可以通过化学药品加以抑制。

Some intrepid individuals were still prepared to make the journey.

无畏的人仍然准备作此旅行。