HSK 7-9
界
jiè名后缀
(bound form) boundary; border; (bound form) realm
科学界正在关注这项发现。
Kē xué jiè zhèng zài guān zhù zhè xiàng fā xiàn.
The scientific community is following this discovery.
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Appears across levels (7-9) in the HSK 3.0 word list.