Heptoic acid
[化] 庚酸
🧩 词语组成解析
🗣️ 情景例句
When I was asked to speak in English.
刚才当被要求说英语的时候。
No wonder everyone speak highly of your commercial integrity.
难怪大家都极为推崇你们的商业信誉。
Did you miss the bus?
你错过公共汽车了？