“spiracle”的概念、定义、翻译、参考文献-科学参考

单词	spiracle
释义	spiracle [`spir·ǝ·kǝl] ^{INVERTEBRATE ZOOLOGY} An external breathing orifice of the tracheal system in insects and certain arachnids. ^{VERTEBRATE ZOOLOGY} 1. The external respiratory orifice in cetaceous and amphibian larvae. 2. The first visceral cleft in fishes.
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