- 薄弱环节 bóruòhuánjié weak linkthe most vulnerable or least effective part of a system, organization, or process
- 环节动物 huánjiédòngwù annelidannelid (worm)
- 循环节 xúnhuánjié repetendThe recurring sequence of digits in a repeating decimal.
- 环节动物门 huánjiédòngwùmén AnnelidaAnnelida, the phylum of annelid worms