Defined symbol
[计] 定义符号
🧩 词语组成解析
a. 清晰的, 轮廓分明的；有定义的, 确定的
🗣️ 情景例句
That's it.
对了。
Excuse me I couldn't write you sooner.
对不起我不能尽快给你写信。
It was like being on a boat.
就好像是坐在一条小船上一样。