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单词
secondary yolk sac
释义
secondary yolk sac
网络
次级卵黄囊;二级卵黄囊
网络释义
1.
次级卵黄囊
胚胎学相关英语词汇(1)_专业词汇_英文阅读网 ... 霍伊泽膜 Heuser membrane
次级卵黄囊
secondary yolk sac
卵黄蒂 yolk stalk ...
www.enread.com
2.
二级卵黄囊
当内胚层(立方状细胞)形成后再向腹侧延伸 而取代了原有卵黄囊,在胚盘下形成
二级卵黄囊
(
secondary yolk sac
)。初级卵黄囊 …
www.scribd.com
例句
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casing stuffing and clipping system
casing substitute
casing substitution
casing support
casing suspender
casing swab
casing swage
casing swivel
casing tap
casing tester
casing test pressure
casing threading
casing tongs
casing top half
casing treatment
casing tube
casing tying machine
casing valve
casing wagon
casing wall
casing wave
casing wax
casing wear
casing wear ring
casing well tester
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更新时间:2026/9/14 0:24:30