Nctm
abbr. National Council of Teachers of Mathematics <美> 全国数学教师理事会
🗣️ 情景例句
I don't have the heart to tell her.
我没有勇气告诉她。
He has graciously consented to speak to us on that subject tonight.
他同意今晚他将就这一专题演讲。
Do you speak Chinese?
你讲汉语吗？