영어 For example, we would like to knowthe rate of natural soil formation from sold rock to determine whethertopsoil erosion from agriculture is too great 여기에 문법설명할만한게 있어??
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영어 For example, we would like to knowthe rate of natural soil formation from sold rock to determine whethertopsoil erosion from agriculture is too great 여기에 문법설명할만한게 있어??
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