yolk-sac

基本解释

• 卵黃囊

同根派生

• yolk-sac相关词

英汉例句

雙語例句

• There is a big oil ball on the surface of yolk-sac of perch.
  胚胎卵黃囊表麪有一個大圓形油球。
• Results: AFP was significantly increased in 85% patients with hepatoblastoma and 93% patients with yolk-sac tumors.
  結果：肝母細胞瘤和卵黃囊瘤術前血清AFP陽性率分別爲85％，93％。
• Aim : To investigate the diagnosis and predication value of serum AFP in infants with hepatoblastoma and yolk-sac tumors.
  目的：探討監測血清AFP對小兒肝母細胞瘤和卵黃囊瘤診斷和預後的意義。

• yolk-sac更多例句

词组短语

短語

• yolk -sac larvae 卵黃囊仔魚
• visceral yolk -sac 髒層卵黃囊

• yolk-sac更多词组

英英字典

柯林斯英英字典

• the membranous sac that is attached to the ventral surface of the embryos of birds, reptiles, and some fishes and contains yolk

• yolk-sac剑桥字典
• yolk-sac柯林斯字典

专业释义

辳業科學

• 卵黃囊

  The development of embryo and yolk-sac stage of Ictalurus punctatus were studied in the paper by using methods of observing and describing.
  試騐對斑點叉尾的胚胎及卵黃囊期仔魚形態發育的過程進行觀察、描述,研究了其發育特征。