短語(yǔ)詞組短語(yǔ)yolk -sac tumor 卵黃囊瘤Ovarian yolk sac tumor 卵巢卵黃囊瘤yolk sac tumor cell line 卵黃囊瘤細(xì)胞系yolk sac endodermal sinus tumor 卵黃囊 返回 yolk sac tumor