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
OK.
好。
I ought to not bother him any more.
我应该不要打扰他了。
Could you come here, please? I want some help.
你能来这儿一下吗？我需要帮忙。