free-swimming

English

free-swimming (not comparable)

(biology) Able to swim about freely.
- 1885, Sir Norman Lockyer, Nature - Volume 32, page 418:
  It is a most remarkable fact that almost all these shore animals in their early development from the egg pass through free-swimming larval stages which are closely alike in form for very widely different zoological groups.
- 2008, Frank R. Spellman, Handbook of Water and Wastewater Treatment Plant Operations, page 715:
  The presence of free-swimming and stalked ciliates, some flagellates, and rotifers in mixed liquor indicates a balanced, propertly settling environment.

单词	free-swimming
释义	free-swimming English Alternative forms freeswimming Adjective free-swimming (not comparable) (biology) Able to swim about freely. 1885, Sir Norman Lockyer, Nature - Volume 32, page 418: It is a most remarkable fact that almost all these shore animals in their early development from the egg pass through free-swimming larval stages which are closely alike in form for very widely different zoological groups. 2008, Frank R. Spellman, Handbook of Water and Wastewater Treatment Plant Operations, page 715: The presence of free-swimming and stalked ciliates, some flagellates, and rotifers in mixed liquor indicates a balanced, propertly settling environment.
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