万物都可能有毒，因此，绝对无害物质是不存在的。

Everything is potentially poisonous, thus, absolutely harmless substances do not exists.

youdao

并非所有正常存在于活的有机体中的化学物质都是无害的。

Not all chemicals normally present in living organisms are harmless.

《柯林斯英汉双解大词典》

据称这种气味香甜的物质对人类和动物无害。

However, the sweet smelling substance is said to be harmless to people and animals.

youdao

但这些物质对正常细胞无害。

But the phytochemicals did not harm normal cells.

youdao

但是那只是一片安慰剂，一种无害的物质。

But it was only a placebo, a harmless substance.

youdao

这里的许多物质都无害。

Many of these substances are innocuous.

youdao

这里的许多物质都无害。

E. g. Many of these substances are innocuous .

youdao

它仅仅是一组服用安慰剂，一种无害的物质。

It was only a placebo, a harmless substance.

youdao

该技术没有有毒物质挥发、排放，对人体和环境无害，安全可靠。

Novolation of poisonous material, no harm to the health of human body and environment.

youdao

没有任何物质是无害的。

There are no harmless substances.

youdao

没有任何物质是无害的。

There are no harmless substances.

youdao