环节: (n) connection; link
Relative explainations:
<annulus> <component element> <link> <segment> <node> <tache>
Examples:
开得好的钮眼是联系艺术与自然的唯一环节。
A really well- made buttonhole is the only link between art and nature.
经济萧条的环节
a depressed sector of the economy.
生环节器官
segmental organ