chalk

柯林斯詞典

1. N-UNCOUNT Chalk is a type of soft, white rock. You can use small pieces of it for writing or drawing with. 白堊
...white cliffs made of chalk. …白堊絕壁。
2. N-UNCOUNT Chalk is small sticks of chalk, or a substance similar to chalk, used for writing or drawing with. 粉筆[also N in pl]
...somebody writing with a piece of chalk. …正用粉筆寫(xiě)字的某人。
3. V-T If you chalk something, you draw or write it using a piece of chalk. 用粉筆畫(huà); 用粉筆寫(xiě)
He chalked the message on the blackboard. 他用粉筆把這條消息寫(xiě)在黑板上。