释义 |
sex-ratio 基本例句 子代性比 These problems include the high sex ratio and the growing population aging.例如出生人口性别比偏高、人口老龄化等。 Hatchling sex ratio at this beach possibly depends on the date of egg laying.雉龟的性别比则可能受到产卵的时间所决定。 Skewed sex ratios raised the competition.倾斜的性别比例引发了竞争。 And they find that households with sons save more in high male-to-female sex ratio regions.他们还发现,在男女性别比失衡的地区,有儿子家庭的储蓄率会更高些。 |