Population experts say a law helped create the baby boom.

人口专家指出，婴儿潮的出现有赖于一项法规的实施。

On the plus side, elephants have had a baby boom and no rhinos were illegally killed in 2020.

好的方面是，大象迎来了生育高峰，并且2020年没有犀牛被非法捕杀。

Previous astronomical observations have hypothesized that there was a " baby boom" of stars about seven billion years ago.

此前的天文学观测曾假定，约70亿年前存在过恒星的“婴儿潮”。

Boom baby! - Hey, those are my arms!

繁荣宝贝！- 嘿， 那是我的手臂！

One sign of hope was the baby boom. This was the big increase in the number of babies born after the war.

其中一个迹象是婴儿潮的出现，战后婴儿出生人数大增。

I mentioned the baby boom because the book that Dr. Spock wrote, Baby and Child Care, became a bestseller.

我提到婴儿潮是因为斯波克博士写的那本书《婴儿和儿童护理》成为畅销书。

By the time the Cold War was waning and baby boomers were booming out their own babies, it truly felt like we were the greatest country on earth.

到冷战结束、婴儿潮一代开始生育自己的婴儿时，我们真的感觉自己是地球上最伟大的国家。