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卵黄柄
例句
DEFINITIVE EXAMPLES 权威例句
〔yolk stalk〕
A narrow ductlike part that connects the yolk sac to the middle of the digestive tract of an embryo.
卵黄柄
:连接卵黄囊和胚胎消化道中部的狭窄的管状部分
美国传统
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bowling ball
bowling green
bowling pin
bowling-alley
bowllike
bowls
bowman
bowring
bows
bows on
bowsprit
bowstring
box
box in
box lunch
box number
box off
box office
box on
box pleat
box seat
box set
box spring
box stall
box up
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更新时间:2026/3/12 3:03:40