chalking resistant不褪色
chalking appearance粉状;白垩化纸面
non chalking不粉化的
war chalking开战标记
color chalking色料起霜
control chalking可控粉化
surface chalking表面粉化
Chalking g粉化
colour chalking色料起霜
N-UNCOUNT（不可数名词） Chalk is a type of soft, white rock. You can use small pieces of it for writing or drawing with. 白垩
...white cliffs made of chalk.
…白垩绝壁。
N-UNCOUNT（不可数名词） Chalk is small sticks of chalk, or a substance similar to chalk, used for writing or drawing with. 粉笔 [also N in pl]
...somebody writing with a piece of chalk.
…正用粉笔写字的某人。
V-T（及物动词） If you chalk something, you draw or write it using a piece of chalk. 用粉笔画; 用粉笔写
He chalked the message on the blackboard.
他用粉笔把这条消息写在黑板上。