Optional length specification
[计] 任选长度说明
🧩 词语组成解析
🗣️ 情景例句
Ask him to stop by for a talk.
让他过来坐坐，聊聊天。
How much does it cost to go there by ship?
坐船到那里要花多少钱？
As it is only six feet across, it is barely noticeable.
仅6英尺宽，很难被发现。