Heptanedioic acid
[化] 庚二酸
🧩 词语组成解析
🗣️ 情景例句
Good evening, how may I help you sir?
晚上好，你需要帮助吗？
It is hard to please all parties.
取悦各方，谈何容易。
The expensive shops in a famous near Piccadilly were just opening.
皮卡迪利大街附近的一条著名拱廊街道上，几家高档商店刚刚开始营业。