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短语
yolk sacs
释义
yolk sac, yolk bag
【胚胎学】
卵黄囊(从脊椎动物胚胎的中肠脐伸出的膨大的胚外囊体，富含卵黄)
卵黄囊(大多数哺乳动物胚胎中不含卵黄的、在胚胎发育早期变为退化器官的同源器官)
随便看
on the game
on the go
on the Greek calends
on the green
on the griddle
on the gridiron
on the grift
on the grin
on the ground
on the ground of
on (the) ground of (或 that)
on the grounds
on the ground that
on the growing hand
on the hazard
on the heavy
on the high jump
on the high side
on the high(或low)side
on the hike
on the hip
on the hither side of
on the hog
on the home front
on the home (或 domestic) front
英语短语词组词典共收录525608条英汉双解短语词组词条，基本涵盖了全部常用短语词组的翻译及用法，是英语学习的有利工具。
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更新时间：2026/1/9 7:49:59