Although the phenomenon of RNA interference (RNAi) has been discovered in many organisms, there is no evidence to support that RNAi exists naturally in a majority of mammals.

RNA干扰现象已经在多种生物中发现，但是在多数哺乳动物中尚未发现自然存在RNA干扰的证据。

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Polysaccharides exist in many organisms, showing not only important functions in biology, but also valuable effects in medicine. Recendy, it has attracted more and more attention.

多糖广泛存在于有机体，不仅具有重要的生物功能，也具有良好的药用价值，已引起越来越多的关注。

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Many organisms that die in the sea are soon buried by sediment.

许多在海里死亡的生物很快便被沉淀物掩埋。

《柯林斯英汉双解大词典》

Malaria can be treated, but in many areas the organisms have become resistant to different drugs.

VOA: special.2009.12.22

It is always possible that the balance which exists in many habitats may be irreversibly damaged by the introduction of organisms which are with new gene combinations.

BBC: Should genetic engineering be stopped?