¼±Åà - È­»ìǥŰ/¿£ÅÍŰ ´Ý±â - ESC

 
"erosio"¿¡ ´ëÇÑ ¼¼ºÎ °Ë»ö °á°úÀÔ´Ï´Ù
KMLE À¥ ¿ë¾î ¸ÂÃã °Ë»ö °á°ú : 4 ÆäÀÌÁö: 6
erosion a process that wears the earth's surface away, causing soil to move from one place to another. It's a natural process, but human activities can make it worse.
Ãâó: www.drought.unl.edu/kids/glossary.htm
erosion The wearing away of land or soil by the action of wind, water, or ice.
Ãâó: forestry.about.com/library/glossary/blforgle.htm
erosion The wearing away of the soil, usually by wind or water
Ãâó: www.talkabouttrees.org/terms/terms.html
erosion The movement of soil and rock material by agents such as running water and wind.
Ãâó: agrolink.moa.my/dof/edukit/seashore/glossary.html
ÀÌ ¾Æ·¡ ºÎÅÍ´Â °á°ú°¡ ¾ø½À´Ï´Ù.
KMLE À¥ ¿ë¾î À¯»ç °Ë»ö °á°ú : 0 ÆäÀÌÁö: 6
ÅëÇÕ°Ë»ö ¿Ï·á