YOU SAID:

He ran extremely fast up the steep hill

INTO JAPANESE

彼は非常に速い急な丘を駆け上がった

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He ran up the steep hill so fast

INTO JAPANESE

彼は非常に高速の急な丘を駆け上がった

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He ran up a steep hill on the very high speed of the

INTO JAPANESE

彼はの非常に高速で急な坂を駆け上がった、

BACK INTO ENGLISH

He's very fast and ran up the steep hill,

INTO JAPANESE

彼は非常に高速、急な坂を駆け

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He is running fast, steep slope

INTO JAPANESE

彼は速く、急な斜面を走っています。

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He is running fast and steep slopes.

INTO JAPANESE

彼は、高速で急な斜面を走っています。

BACK INTO ENGLISH

He ran on a steep slope at high speed.

INTO JAPANESE

彼は、急斜面を高速で走った。

BACK INTO ENGLISH

He ran fast and steep slopes.

INTO JAPANESE

彼は、高速で急な斜面を走った。

BACK INTO ENGLISH

He ran fast and steep slopes.