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
the reason my apple pie is famous--cinnamon.
我的苹果派就是靠它出名的 肉桂。
Have you made anything?
你做东西吗？
Debbie intends to take short rests every two hours.
黛比计划每两小时休息一下。