extraembryonic cavity胚: embryo外: outside; external side腔: cavity; chamber外腔: exocoel; pericoel胚外的: abembryonic; extraembryonic下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:胚外腔，即可在微信中查询翻译
