females是什么意思 females在线翻译 females什么意思 females的意思 females的翻译 females的解释 females的发音 females的同义词 females的反义词

1. The commission estimates that males may outnumber females by up to 40 million by the year 2020 if the birth ratio maintains its current trend.

2. The caffeine shortened the amount of time it took the females to return to the males for another round of mating.

3. Progress in childhood cancer therapy has seen cure rates rise substantially, but the chemotherapy tends to leave females infertile.

4. To pull in additional males there would have to be more females in a group than the alpha male could manage.

5. There are more males in the rich club than females and they spent more.

6. Singapore - Male macaque monkeys pay for sex by grooming females, according to a recent study that suggests the primates may treat sex as a commodity.

7. Scientists believe communal living is particularly beneficial to females because a ready food supply is crucial for successful reproduction.

8. Forestry authority statistics show fewer than 10 per cent of male giant pandas mate naturally and fewer than 30 per cent of females conceive naturally.

9. Forestry authority statistics show fewer than 10 percent of male giant pandas mate naturally and fewer than 30 percent of females conceive naturally.

10. The researchers said giving gifts was a feature of courtship in humans and other species to impress females.