antiseptic

The antiseptic properties of copper sulphate have never been questioned.

硫酸铜具有防腐性，这是不曾有过问题的。

Polyurethane is a kind of excellent anticorrosion material, material has excellent antiseptic effect on metal substrate.

聚胺又是一种优良的防腐材料，对金属底材具有优异的防腐作用。

Don't just give money, go volunteer somewhere so you can have direct interactions with people. Your life is too antiseptic and it is making you a bit boring.

不要只是捐钱，去某个地方做志愿者吧，这样你就可以和别人直接互动。你的生活太“防腐”了，你开始觉得有点无聊了吧。