Firmest
firm（坚固的, 坚牢的）的最高级形式
🗣️ 情景例句
I speak fairly good English and I enjoy meeting different kinds of people.
我的英语讲得很流利，而且我喜欢接触不同的人。
And happy to know that the Bank of America has opened another branch in Shanghai.
并且很高兴地了解到美国银行在上海又建立了一家分行。
You're welcome.
别客气。