Mathematical notation
[计] 数学标记, 数学符号
🧩 词语组成解析
🗣️ 情景例句
I know what you mean. I'v been there.
我明白你的意思。 我深有体会。
Come what may, heaven won't fall.
船到桥头自会直。
A girl came in and put an envelope on his desk.
一个姑娘走了进来，把一个信封放在了他桌上。