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- Vitelline vein of placenta 胎盘卵黄静脉
- There is a vein of melancholy in his character. 他的性格中有少许忧郁的气质。
- A vein of gold was seen cropping out. 可以看见一条金矿矿脉露出地面。
- The central or principal vein of a leaf. 中脉中心的或主要的叶脉
- There is a vein of humor in his nature. 他天性略带幽默。
- Her stories struck/revealed a rich vein of humour. 她的小说饶有风趣.
- A vein of copper was seen criopping out. 可以看见一条铜矿矿脉露出地面。
- The central rib or vein of a leaf. 叶的中脉或中肋。
- A vertical, cylindrical vein of ore. 管状脉直立的管状矿脉
- They had tapped a rich vein of information in his secretary. 他们从他的秘书那里摸到了大量信息。
- Along the edge of the mountain there is a rich vein of silver. 沿着山脉的边上;有丰富 的银矿脉.
- The mine once had a rich vein of silver, but it petered out. 这矿床原有很丰富的银矿，但已所剩无几了。
- Vitelline blood vessel of placenta 胎盘卵黄血管
- We must never sever the cultural vein of our nation. 我们不能割断民族的文化血脉。
- Objective To investigate the pathology and treatment of placenta accreta. 目的探讨胎盘植入的病因及处理方法。
- Objective To evaluate the value of placenta increta by color Doppler. 目的评估经腹彩色超声多普勒(彩超)在前置胎盘并发胎盘植入诊断中的价值。
- Arrangement of placentas within the ovary. 胎座式子房内胎座的组成形状
- The modified blastula that is characteristic of placental mammals. 胚泡转化的囊胚，为胎盘哺乳动物的特征
- The veins of the butterfly's wing interlace. 蝴蝶翅膀上翅脉交错。
- The veins of such a system considered as a group. 翅脉，叶脉作为整体的该系统的脉。
