1.  loop
2.  ring
3.  tach
4.  link
5.  surround

• 1. 环: loop | ring | Cycle | toroid
• 2. 耳环: Earring | Hearing Aid | ear loop | earrings
• 3. 生态环境: ecological environment | ecological environment; eco-environment; ecosystems and the environment | ecological conditions | ecological environment

更多释义

• 1.他开枪射中了靶子的最外一环。
  He fired and hit the outermost ring of the target.
  dict.yoduao.com
• 2.这个开口环是用来连接链条两头的。
  The opened link is used to join the two ends of the chain.
  dict.yoduao.com
• 3.这根链条由136个环组成。
  The chain is formed from 136 links.
  dict.yoduao.com

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