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1.birth rate出生率
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。
2.make up 组成；补足；化妆；编造
I am not good at singing. I'm here just to make up the number.
我不会唱歌， 我在这儿只是滥竽充数。
3.go down下降；平静下来；传下去；被接受
But we said, 'We cannot go down.
我们就说：‘我们不能下去。
4.make life求活；创造人生；有意义的活
To be sure, digital records should make life easier for doctors, bring down costs for providers and patients and improve the quality of care.
可以肯定的是，数字化记录应能使医生生活更轻松，使医疗提供者和病人降低成本，并提高医疗质量。
5.seem to be看来，好像
Things seem to be going from bad to worse nowadays.
情况似乎越来越糟了。
