Optional length specification
[计] 任选长度说明
🧩 词语组成解析
🗣️ 情景例句
He's a friend.
他是位朋友。
How would you like to proceed with the negotiations?
你认为该怎样来进行这次谈判呢？
Yes. It sounded like a train that was going under my house.
是的。这响声听起来像是一列火车在从我的房子下面驶过。