yolk sac
基本解釋
- (等於yolk bag)卵黃囊
英漢例句
- The yolk sac and yolk stalk on one of them were well preserved.
觀察了三例人胚外形,其中一例還有保存良好的卵黃囊和卵黃蒂。 - The results showed that more than80%of nutrition in yolk sac were utilized in59hours, which suggested that it was the main period of yolk sac utilization.
結(jié)果表明,在59時(shí)齡以內(nèi)80%以上的卵黃囊營(yíng)養(yǎng)被吸收利用,說(shuō)明這一時(shí)期是卵黃囊吸收利用的主要時(shí)期。 - I do not believe, however, that this is normal, since in the wild, young with such a large yolk sac probably would not survive without parental protection.
我不相信,不過(guò),這是正常的,因爲(wèi)在野生環(huán)境年紀(jì)這麼大的卵黃囊,也許就不會(huì)生存父母的保護(hù)。
雙語(yǔ)例句
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
柯林斯英英字典
專業(yè)釋義
- 卵黃囊
- 卵黃囊
BACKGROUND&AIM: To explore the effect of alcohol on the development of mouse visceral yolk sac(VYS)during organogenesis period,and the relationship to the teratogenicity of alcohol.
背景與目的 :探討乙醇對(duì)小鼠胚胎髒層卵黃囊發(fā)育的影響及其與畸形發(fā)生的聯(lián)系。生物學(xué)
- 卵黃囊
- 卵黃囊
- 蛋黃囊
- 卵黃巢