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
My grandfather is very much alive and kicking.
我的祖父还健在。
Hello, it's a pleasure to meet you all.
你们好，很高兴见到大家。
Half a pound of coffee.A quarter of pound of tea.And a tin of tobacco.
半磅咖啡、1/4 磅茶叶和一听烟丝。