birth rate
birth rate 英 [bə:θ reit] 美 [bɚθ ret]
phrase. 出生率
名词复数:birth rates
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- phrase. 出生率
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1. Although the male-like females have an overall lower birth rate than other females, they do still mate and reproduce, maintaining the mimicry in the damselfly population.
尽管这样的类雄性雌性的出生率低于那些普通雌性,它们仍然会交配和生育,在蜻蜓种群中延续这种拟态。
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