The way in which males can most effectively do that is to inseminate a number of females.

要達(dá)到這個(gè)目的开操啦免费视频，雄性最有效的方式是向許多雌性受精www.senpd.com。

In such cases, prolonged lack of receptivity may suggest the need to artificially inseminate or force-breed the animal.

在這種情況下，長期缺乏接受可能意味著需要人為inseminate或武力品種的動(dòng)物哪里有黄色网站可以看。

The farmers plow and inseminate in spring .

農(nóng)民在春天犁地播種一级www性视频。

Females, in other words, would rather choose which males inseminate them.

換句話說，雌性更愿意選擇那些讓它們授精的雄性久久久无码中文字幕一区二区三区。

Weirder still, a woman could conceivably use sperm made from her bone marrow to inseminate her own eggs.

更不可思議的是思热在线视频精品免费，一個(gè)婦女可以用自己的骨髓培育出的精子使自己的卵子受精。

In other words , would rather choose which males inseminate them .

換句話說91自慰精品亚洲，雌性更愿意選擇那些讓它們授精的雄性欧美午夜久久。

Give them a hand. Let's pass enlightened torch to their small hands. Let's inseminate seeds of hope in their babyish hearts. Let's bring future with color in their naive minds.

伸出你的雙手，將文明的火把遞到他們的手中爱搞视频网址，將希望的種子種在他們的心田日韩欧美国产视频，將美好的未來放入他們的腦海！

The only use for males is to inseminate the queen; afterwards they are either driven out of the nest or killed.

雄蟻唯一的作用是使蟻后受精免费黄片大黄片，之后它們就被驅(qū)逐出蟻巢或是被殺死国产欧美久久一区二区三区。

Farmers plow and inseminate in spring.

農(nóng)民在春天犁地播種。

In normal condition, only one can inseminate oviduct.

人類男性的每一次射精黄色免费三级网站，其中***所含的精子約有3億5千個(gè)操美女黄色污网站在线观看视频，能夠順利進(jìn)入子宮內(nèi)的精子則不足100萬，到達(dá)輸卵管的大約只有1000個(gè)左右亚洲一区二区免费视频网站，而有機(jī)會(huì)接近卵子的精子就只剩下100個(gè)而已操操网人人摸人人摸，最后在正常情況下能獲得授精機(jī)會(huì)的精子卻只有一個(gè)。