red ink

红墨水, 赤字, 赤字状况

例句与用法：

Don't write your exercise in red ink.

不要用红墨水写练习。

Do not write your exercise in red ink.

不要用红墨水写你的练习。

How much red ink is there in the ink-pot?

墨水瓶里有多少红墨水？

He has run out of red ink.

他的红墨水用完了。