Nctm
abbr. National Council of Teachers of Mathematics <美> 全国数学教师理事会
🗣️ 情景例句
I have a picture of Grandpa and Dad and me in my wallet.
我皮夹里有一张照片，是爷爷、爸爸和我在一起照的。
I get out of bed about 7 o'clock every morning.
我大约每天早上7点钟起床。
Just let us know when you are ready.
那么，准备好了就请通知我们。