Nctm
abbr. National Council of Teachers of Mathematics <美> 全国数学教师理事会
🗣️ 情景例句
How about green? It's size ten.
绿的怎么样， 它是十号的。
Tell me where I can post them.
请问，哪里有投信的邮筒？
What are you doing tomorrow?
明天你干什么？