“Acrania”的概念、定义、翻译、参考文献-科学参考

单词	Acrania
释义	Acrania [ā`krān·ē·ǝ] ^ZOOLOGY A group of lower chordates with no cranium, jaws, vertebrae, or paired appendages; includes the Tunicata and Cephalochordata.
随便看	Lieskeela lifeboat life cycle life-cycle cost life expectancy life form life of mine life preserver life raft life-saving station life support system life test lifetime life zone LIFO lift lift bridge lift coefficient lift-drag ratio lifter lifter case lifter flight lifter roof lift fan lift fire

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