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
he could be so valuable.
他或许能够有所用。
To escape from the policeman
从警察手下逃亡
On the farm, everything begins to grow.The trees turn green, and the flowers start to come out.
农场里，各种作物开始生长。树木变绿，鲜花盛开。