Nmsa
abbr. National Middle School Association 全国中学协会
🗣️ 情景例句
That's nothing at all.
不用客气。
He has a piece of cake.
他有一块蛋糕。
If they knew how difficult it was to drill through the hard rock, they would lose heart.
如果他们知道了钻透那坚硬的岩石有多么困难，他们会丧失信心的。