Perbenzoic acid
[化] 过苯甲酸
🧩 词语组成解析
🗣️ 情景例句
Good night, Alexandra.
晚安，Alexandra。
I've been part of this project since its beginning.
从一开始我就参与这个计划。
Sure enough, Rastus arrived punctually at seven o'clock that evening.
果然，当天晚上7点正，拉斯特斯准时回来了。