Last Updated：2024/06/17

語彙を覚えるための辞書問題

parts per million

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Source Word

ppm

IPA(Pronunciation)

/ppm/

parts per million

What is this buttons?

The concentration of the pollutant in the air is measured in ppm.

Google Translation / DeepL Translation

大気中の汚染物質の濃度はppmで測定されます。

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Sense（1）

parts per million

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