영어 For example, we would like to know the rate of natural soil formation from sold rock to determine whether topsoil erosion from agriculture is too great 여기에 문법설명할만한게 있어??
| 이 글은 8년 전 (2017/4/07) 게시물이에요 |
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영어 For example, we would like to know the rate of natural soil formation from sold rock to determine whether topsoil erosion from agriculture is too great 여기에 문법설명할만한게 있어??
|