Polythionic acid
[化] 连多硫酸
🧩 词语组成解析
🗣️ 情景例句
Who is your best man?
谁是你的伴郎？
You were late again this morning. I think you had better start being on time.
你早晨又迟到了，我想你最好开始守时。[托福]
Mr. Fang is in London. He's looking for different places. He needs some help.
方先生在伦敦。他在寻找一些地方，他需要帮助。