很有效

Antibiotics is effective to cure throat infection.

抗生素对治疗咽喉部感染是有效。

The library had a spare but efficient look about it.

这个图书馆给简单，但却有效感觉。

This has proved an effective preventive.

这药证明是有效预防剂。

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有效找矿标志。

The animal’s markings provide effective camouflage.

这动物身上斑纹是有效伪装。

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.

从前我们散步，我们谈，有效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。