Hexanedioic acid
[化] 己二酸
🧩 词语组成解析
🗣️ 情景例句
He is in trouble all the time.
他总是有麻烦。
Who is speaking?
请问是谁打来的？
In return for this, the beggar stood on his head and sang songs.
作为回报，那乞丐头顶地倒立起来，嘴里还唱着歌。