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Scientists are also working to develop chemicals to control the birth rate in deer populations.(科学家们也在努力研制化学物质来控制鹿群的出生率。)
Birth rate and the stork population are connected.(出生率与鹳的数量有关。)
As Indonesia prospers, its birth rate is falling; South Asia's remains very high.(随着印度尼西亚走向繁荣，该国的出生率正在下降，而南亚的出生率则依旧保持在很高的水平上。)
A: In Europe, what people really care about is not the marriage rate but the birth rate.(回答：在欧洲，人们真正关心的不是结婚率而是出生率。)
The birth rate in Europe is rising slightly(欧洲人口出生率略有上升)
The CDC study did not explore why the teen birth rate is at an all-time low.(疾病控制中心的研究并没有探究出为什么青少年出生率总是处于低比率状态。)
Germany's population is ageing, and the birth rate falling.(德国的人口老化，出生率下降。)
The birth rate among professional women is particularly low.(职业女性的生育率则更低。)
Several factors have been adduced to explain the fall in the birth rate.(有几个因素已被援引来说明出生率降低的原因。)
The out-of-wedlock birth rate among women who drop out of high school is 15%.(高中辍学的妇女中非婚生子女出生率为15%。)
birth rate是什么意思 birth rate在线翻译 birth rate什么意思 birth rate的意思 birth rate的翻译 birth rate的解释 birth rate的发音 birth rate的同义词
