Subrange
[计] 子区域, 子范围, 子界
🗣️ 情景例句
Did she say why she had to leave today?
她说了她为什么今天非走不可吗？
Who rang the bell a while ago?
刚才谁在按门铃？
It's true that he may fall behind the other students.
真的，他可能会落在其他同学的后面。