英语词汇“十亿分之”的释义、用法及例句翻译-英汉例句词典

词汇	十亿分之
例句	The sulphur dioxide level in the air was 32 parts per billion.空气中二氧化硫的含量是十亿分之三十二。Well before a billionth of a second had elapsed the universe started to grow exponentially.十亿分之一秒远未逝去，宇宙已开始成指数级地迅速增大。
随便看	airily airing airing cupboard air intake air-kissing airless airlessness airlift air-lifted airlifted airlifting airline air line airline industry airliner airliners Airlines airlines airlocks airmail airmailed airman airmen air of importance air of innocence

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