很有效

Antibiotics is effective to cure throat infection.

抗生素对治疗咽喉部感染是有。

The library had a spare but efficient look about it.

这个图书馆给人一种简单，但却有感觉。

This has proved an effective preventive.

这种药证明是有预防剂。

Silicify or silicified rock is one more efficacious sign for exploring mine in Xikuangshan antimony deposit.

硅化/硅化岩石是锑一种有找标志。

The animal’s markings provide effective camouflage.

这种动物身上斑纹是有伪装。

Of yore we had sauntered and talked, and effectually put the world behind us;for he was pledged to no institution in it, freeborn, ingenuus.

从前我们散步，我们谈天，有地把我们世界遗弃在后边了，因为他不属于这世界任何制度，生来自由，异常智巧。