英语词汇vitelline sac的读音、用法、中文释义、短语词组及例句-英汉双解词典

单词	vitelline sac
释义	vitelline sac 英?[vi?telin s?k] 美?[v??t?l?n s?k] 释义卵黄囊英英释义 Noun 1. membranous structure that functions as the circulatory system in mammal embryos until the heart becomes functional
随便看	cammarano Cammarata Cammarata, Mte. cammaron cammarons cammarota cammas CAMMD cam-mechanism cam mechanism cam mechanism for conveying oscillating motion cam mechanism for conveying reciprocating motion cam mechanism for interconverting oscillating motion and reciprocating motion cam mechanism for interconverting rotary motion and oscillating motion cam mechanism for interconverting rotary motion and reciprocating motion cammed cammel cam member Cammer cammerer cammermeyer cammeron cammers cammes Cammett table

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vitelline sac