calkin
「calkin」的意思
n. 鞋底铁掌（防滑用的）
n.蹄铁上的防滑尖铁,蹄铁的折曲端,鞋底铁掌
「calkin」的用法
calkin用粉笔在黑板上写字或画图 - 教师在黑板上用粉笔写字。
「calkin」的例句
The teacher used a chalk to write on the blackboard.
老师用粉笔在黑板上写字。
She erased the chalk marks with a cloth.
她用布擦掉了粉笔的痕迹。
He drew a chalk outline of the house.
他用粉笔画出了房子的轮廓。
The chalk was worn out, so she had to buy a new one.
粉笔磨秃了，所以她得买新的。
The students were using chalk to draw pictures on the wall.
学生们正在用粉笔在墙上画画。
She used a chalkboard to teach her students math.
她用黑板教学生数学。
The chalk was too soft, so it crumbled easily.
粉笔太软，很容易碎裂。
He wrote his name in big letters with chalk.
他用大写字母用粉笔写了自己的名字。
She used a chalk marker to write on the board.
她用粉笔标记在黑板上写字。
The chalk was too hard, so it left scratch marks on the board.
粉笔太硬，会在黑板上留下划痕。