英语词汇“前口动物”的翻译、意思、用法、释义-英汉汉英词典

单词	前口动物
释义	前口动物proterostomians
随便看	piston crown piston crown ablation piston crown,piston upper part piston cup piston cylinder pistoncylinder piston-cylinder assembly piston-cylinder system piston damper piston directivity function piston disc piston displacement piston displacement，piston swept volume piston drill piston dross pistone piston effect pistone {it.} piston end piston end(small end) piston engine piston--engine piston-engined piston engine (pe) piston feeder