Hydrogen dioxide solution
[医] 过氧化氢溶液
🧩 词语组成解析
🗣️ 情景例句
She feels bad, too, Grandpa.
她也很沮丧， 爷爷。
Excuse me, would you give me a hand?
对不起，你能帮我个忙吗？
After that day they were separated, never to see each other again.
那日一别，他们再没重逢。