交配

Polyandrous - A mating system in which females mate multiple males.

Polyandrous -一种系统，其中女性队友多男性。

The queen bee is likely to mate with two or three drones.

后蜂可能会与两三只雄蜂。

It is often difficult to get animals to mate in captivity.

常常很难使被关动物。

Birds pair and build nests in spring.

鸟在春天、筑窝。

A tigon is a cross between a tiger and a lion.

虎狮是老虎和狮子产品。

Males and females only commingle during mating season, otherwise they live solitary existences.

公兽和母兽只有在季节才混到一起，否则他们分开独自居住。

The mating rituals of the cubera snappers have nothing, though, on squid.

古布拉金线鱼仪式没有什么看头，但鱿鱼就不同。

The hybrid from a donkey and a horse is called a mule.

驴和马生出杂种叫骡子。

Cranes take from four to seven years to mature before they pair up.

鹤要四至七岁才成熟。

Many birds mate in the springtime.

许多鸟在春天。

90. The mating system can be changed in a quick and simple manner, from monoecy to dioecy.

用较快而简洁方法使系统从雌雄同株变成雌雄异株。

Birds mate in spring.

鸟在春天。

The male shows elongated rays in its anal fin and yellow pearl organs on the jaws and opercula during breeding season.

雄鱼臀鳍鳍条特长，季节两颌和鳃盖会长出黄色珠星。

Most seed orchard theory is based on the assumption that panmixis will occur and that selfing will not be a serious problem.

大多数关于种子园理论，是以假定能发生随机和自花受精而不会成为严重问题为依据。

After mating and oviposition, statistics showed that the higher of the percentage of small eggs is, the more of the unlaid eggs is.

产卵后，初步统计发现小卵百分率越大，则遗腹卵有越多倾向。

The grass grows and the horse is ruttish, how reasonable the natural is in turn. The copulation in mule market has become the common thing.

草长马发情，这种自然界替是多么合乎情理。骡马市上也就成了情理之事。

Homosporous ferns produce sporophytes by intra gametophytic selfing, inter gametophytic mating, or apogamy.Gametangium ontogeny, genetic load, and ploidy affect the mating system of each species.

摘要同型孢子蕨类孢子体可经由同子体自、异子体两类育系统或以无生殖方式产生，异子体又可分为异子体自和异子体异两种方式。

Q.I have a soft-drink bottle cap with a trivia item printed inside that says that if a sheep and a goat mate, the offspring is a geep.

我有一个内印有琐事条目软饮料瓶帽，上面写着，如果一只绵羊与一只山羊，其后代即是一只山绵羊（吉普羊）。