Antibiotics is effective to cure throat infection.

抗生素对治疗咽喉部感染是很有效。

The library had a spare but efficient look about it.

这个给人一种简单，但却很有效感觉。

This has proved an effective preventive.

这种药证明是很有效预防剂。

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

硅化/硅化岩石是锡矿山锑矿一种很有效找矿标志。

The animal’s markings provide effective camouflage.

这种动物身上斑纹是很有效伪装。

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.

从前们散步，们谈天，很有效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。