Count off 报数
- Count off by threes!
一至三报数! - At the beginning of each class, I count off the students.
每节课开始的时候我都先数一下学生人数。 - The soldiers counted off from the left by four.
士兵们从左起四个一组大声报数。
count off[ verb ]
call in turn from right to left or from back to front numbers that determine some position or function
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