Nctm
abbr. National Council of Teachers of Mathematics <美> 全国数学教师理事会
🗣️ 情景例句
I'm very sorry.
非常抱歉。
He was renowned as a portrait painter.
他以肖像画家著名。
Does that matter? Can't you just wear a flower instead?
这有什么要紧？难道不可以就戴朵花吗？