🧩 词语组成解析
n. [建]柱身凹槽(或突筋)
🗣️ 情景例句
I've been saving them for today.
我一直留着等今天才戴。
There was a big crowd and we had difficulty getting a taxi.
外面有一大群人并我们有很困难招一辆出租车。
How long have you lived there?
你在那里住多久了？