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
Bye, see you next time.
下回再见。
When is he expected to be back?
他什么时候回来？
How about a drink tonight?
今晚喝一杯怎样？