Spent gases
废气
🧩 词语组成解析
spent
[[spent]]
a. 用尽的, 精疲力竭的\\nspend的过去式和过去分词
n. 气体
🗣️ 情景例句
What dorm do you live in?
你住在那个宿舍？
I ought to take her home.
我应该送她回家。
I'm worried that something has happened to her.
我担心她出了什么意外。