用手揉擦木炭畫，畫得好可以讓調子（value)變化很微妙，畫不好就把畫畫髒了 ：）
WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.
Copyright ©1998-2025 wenxuecity.com All rights reserved. Privacy Statement & Terms of Use & User Privacy Protection Policy
