chalk
🇺🇸
/tʃɔːk/
🇬🇧
/tʃɔːk/
A soft white rock
The teacher used chalk to write on the blackboard.
老师用粉笔在黑板上写字。
White or colored sticks used for writing or drawing
She drew pictures on the sidewalk with colored chalk.
她用彩色粉笔在人行道上画画。
To write or draw with chalk
He chalked a message on the board for everyone to see.
他在黑板上用粉笔写了一条消息让大家看。