雄性的

Male cats, neutered or unneutered, have a relatively long and quite narrow urethral diameter; the male cat is highly prone to struvite material congesting and obstructing the distal end of the urethra.

男猫，绝育或unneutered ，有一个较为漫长而相当狭窄的尿道直径；雄性猫是非常容易struvite材料壅塞和阻挠远端的尿道。

First experiment, the effects of PCP on social behavior of mice at different dose and administration time: 60 DDY male mice of 6 months old were randomly divided into 5 groups after 2-week feeding with 12 mice in each group and fed in two separate coops.

实验1，苯西克定剂量及用药时间对小鼠社会行为的影响：选用6周龄的DDY种雄性小鼠，在饲养2周后，被抽签随机分成5组，每组12只，两笼饲养。

In the energy-sapping this air,the males must try to control groups of females by constantly rounding them up and corralling them.

在这样耗能的空气下，雄性必须经常聚拢成群的雌性，以此控制它们。

Males have distinctive, high crests on their heads and backs, which they use to impress females.

雄性蜥蜴的头上和背上有着明显不同，耸立起的冠，以此来吸引雌蜥蜴。

A new study indicates that males doused in another female's scent just smell better.

一项新的研究发现：带有雌性鼠气味的雄性鼠气味更佳。

"The male who ejaculates the greatest number of sperm may win at this game, and hence many bats have evolved outrageously big testes," Pitnick said.

Pitnick认为：睾丸能射出最多精子数量的雄性蝙蝠在交配中才有可能胜出，因而许多蝙蝠通过进化，都有了超常大的睾丸。

Part I the expression of Mahoganoid protein and it's mRNA in the testes and epididymides of mature ratObjective To localize the Mahoganoid protein and Mahoganoid mRNA in the testes and epididymides of mature male rat.

第一部分Mahoganoid蛋白及其mRNA在成年大鼠睾丸和附睾中的表达目的探讨Md蛋白及其mRNA在雄性成鼠睾丸和附睾组织中的分布。

Rat models were successfully established by twice operations. First, OJ was induced by common bile duct ligation and division. On the 7th day after the first operation, ED was performed by exteriorizing a drainage tube at the nape of the rat, while ID by implanting a drainage tube between the dilated end of CBD and duodenum.

采用成年雄性Sprague Dawley大鼠60只，随机分成梗阻性黄疸、胆汁内引流、胆汁外引流和假手术4组，每组15只，通过第一次开腹手术结扎并切断胆总管建立OJ模型，术后7天第二次手术，从膨大的胆管末端插入并固定引流管，经皮下固定于大鼠颈背部皮肤建立ED模型；ID模型通过在膨大的胆管末端和十二指肠间植入支架形成。

When mating , the female deposits her eggs into his pouch , and the male fertilizes them internally .

当交配时，雌性存放她的卵子到他的小袋，和雄性使肥沃它们在内部。

Apparently, within a large herd, the males look after their families. Each one has a few females and foals, for whom he is responsible.

在斑马群里，雄性照顾着他的家庭，每个雄斑马都有他所负责的几个雌斑马和小斑马。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。