chalkrail
「chalkrail」的意思
n. 粉笔槽（位于黑板下方）
n.黑板下方的粉笔槽
「chalkrail」的用法
chalkrail粉笔线 - 在黑板上画粉笔线
「chalkrail」的例句
He drew a chalk rail on the blackboard.
他在黑板上画了一条粉笔线。
The chalk rail marked the beginning of the lesson.
粉笔线标志着课程的开始。
She used a chalk rail to divide the room into sections.
她用粉笔线将房间分成了几个部分。
The chalk rail was worn out from constant use.
粉笔线因为频繁使用而磨损了。
He accidentally erased the chalk rail while cleaning the board.
他在擦黑板时不小心擦掉了粉笔线。
The chalk rail was used to keep students in line.
粉笔线用来保持学生排队。
The chalk rail was used to mark the end of the class.
粉笔线用来标记课程结束。
The chalk rail was used to mark the beginning of a new topic.
粉笔线用来标记新主题的开始。
The chalk rail was used to mark the end of a section.
粉笔线用来标记一个部分的结束。
The chalk rail was used to mark the beginning of a new chapter.
粉笔线用来标记新章节的开始。