Acid(ic) gases
[化] 酸性气体
🧩 词语组成解析
n. 气体
🗣️ 情景例句
Thanks, Grandpa. Please sit down.
谢谢你， 爷爷。请坐。
It's nothing. Don't mention it.
区区小事，何足挂齿。
What?Speak up. Penny.I'm afraid I can't hear you.
什么？彭妮，大声一点。我可听不见你念的。