They kill millions and millions of people every year.
它们每年夺去千百万人的生命。
Cancer is a formidable disease, killing millions of people every year.
癌症是一种可怕的疾病，每年夺去数百万人的生命。
This disease affects millions of people in the world every year.
这种疾病每年都使全世界数百万人受到感染。
There are millions of people visiting here every year.
每年都有上百万的人来这儿旅游。
Millions of people visit Australia every year.
每年有成百上千万人去澳大利亚旅游。
Millions of people visit Australia every year.
每年有成百上千万人去澳大利亚旅游。
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