التعريف: The gnawing and biting-off of small fragments of tissue, whether from plants or dead invertebrates. [ https://www.worldcat.org/search?q=bn%3A0-412-40180-0 ]
التعريف: The gnawing and biting-off of small fragments of tissue, whether from plants or dead invertebrates. [ https://www.worldcat.org/search?q=bn%3A0-412-40180-0 ]