Optional length specification
[计] 任选长度说明
🧩 词语组成解析
🗣️ 情景例句
He was very helpful to me, remember?
他帮过我大忙， 记得吗？
They imagine, what he is doing.
她们在猜他所做的事。
I don't want to share a room with anybody. I want my own room.
我不想和任何同住，我想要自己住。