chalk 可數嗎

　　例句：

　　He chalked the message on the blackboard.

　　他用粉筆將消息寫在黑板上。

　　The two places, he insists, are as different as chalk and cheese.

　　他堅持說那兩個地方有天壤之別。

　　There was a blackboard with seven names chalked on it.

　　黑板上用粉筆寫著7個人名。

　　We shall chalk up his good points.

　　我們將記下他的優點。

　　The teacher wrote with a stick of chalk.

　　老師用粉筆寫字。