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- A ventral fin. 腹鳍;臀鳍
- Description: A median cyprinid with a long, spindle-shaped and laterally compressed body.It has a small head with a ventral mouth bearing 2 pairs of barbels.The caudal fin is deeply forked. 形容:中型鲤科鱼类,身体呈长轴形,两侧扁平,头部偏小,口部位于下端,长有两对触须,尾鳍深叉型。
- Its sucking mouth was in a terminal rather than a ventral position. 它的吸嘴位于末端,而不在腹部。
- Most chordates have a high-pressure, closed circulation with a ventral heart. 大多数脊索动物循环具有高压的、封闭的循环系统,心脏位于腹面。
- Objective To determine whether vasectomy, in rabbits, via a ventral midline incision could reduce early post-operational complications. 摘要目的探讨下腹正中切口兔输精管结扎术可否减少术后早期并发症。
- A modified, usually elongated, scale (or group of scales) present at the upper or anterior base of the pectoral or ventral fins in some bony fishes. 变异,通常延长了,鳞片(或者群体的鳞片)在一些硬骨鱼类出现在胸或腹鳍的上面或前面基底。
- Conclusions Preliminary results of urethroplasty for complex anterior urethral strictures with a ventral onlay grafts of buccal mucosa are excellent. 结论口腔颊粘膜取材方便,创伤小,粘膜易存活,抗感染能力强,修复尿道效果好。
- Methods The strictured or atresic anterior urethra is longitudinally incised and a free graft of buccal mucosa was used as a ventral onlay. 方法将狭窄或闭锁的前尿道于腹侧纵形劈开,采用口腔颊粘膜补片法治疗复杂性前尿道狭窄患者6例7次。
- There is a vein of melancholy in his character. 他的性格中有少许忧郁的气质。
- There was a long lag in forwarding mail to us. 转寄给我们的邮件晚了很久才拿到。
- How to distinguish male and female cockroaches: Male cockroach is relatively thinner but longer, with a ventral spine and fully developed wings reaching the rear; Female has shorter wings and no ventral spine. 蟑螂雌雄的区分:雄虫体形比较瘦小,细长,翅发达至尾端,具有腹刺;雌虫翅较短,无腹刺。
- A bowl of hot chicken soup is good for you. 喝一碗热鸡汤对你有好处。
- A cloud is a mass of vapor in the sky. 云是天空中的水汽团。
- A country must have the will to repel any invader. 一个国家得有决心击退任何入侵者。
- A fire was burning in the grate. 火在壁炉中燃烧着。
- They cleaved a path through the wilderness. 他们在荒原中开辟出一条路。
- They denounced him to the police as a criminal. 他们向警方告发他是罪犯。
- Conclusion Rabbits vasal ligation that is distant from the scrotum and epididymis via a ventral midline incision could lessen surgical trauma and reduce early post-operational complications. 结论远离阴囊和附睾的经下腹正中切口的兔输精管结扎术,可减轻手术创伤,减少术后早期并发症。
- This place doesn't have a very savory reputation. 这个地方的名声可不太好。
- This strain of wheat can grow during a cold spring. 这种小麦可以在寒冷的春天生长。