- birth raten.人口出生率;
- birth peaks出生高峰
- birth defect出生缺陷;
- birth daten.出生日期;
- birth control surgery节育手术
- birth control pill[医]节育药丸;
- birth controln.节育;避孕;计划生育;
- birth certificate出生证明;
- birth canal产道;
- birth certificatesn.出生证明( birth certificate的名词复数 );
- give birth to生（孩子），生育;引起，产生;娩出;娩;
- gave birth to生下的孩子
- rates of exchangen.兑换率( rate of exchange的名词复数 );
- 双语例句
1、
Maternity services were to be reduced in consequence of falling birth rates.
由于出生率下降，产科服务会随之削减。
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2、
Poverty and illiteracy go together with high birth rates.
贫困、文盲与高出生率密切相关。
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3、
Birth rates are notoriously difficult to predict.
众所周知,出生率是很难预测的.
《简明英汉词典》
4、
Older programs have established live birth rates based on years of experience.
更老方案多年的活胎出生率.
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5、
Out - of - wedlock Birth rates have plateaued for Blacks.
黑人的未婚生育率已经不再增加.
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6、
Treatment choice of ICSI was not associated with fertilization, pregnancy, or live birth rates.
选择ICSI治疗与受精 、 妊娠及出生率并无相关性.
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7、
It is also important to understand the definitions of pregnancy rates and live birth rates.
解读妊娠率和活胎出生率的定义也是重要的.
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