Formalizing
v. 使（协议、计划等）成书面文字形式( formalize的现在分词 ); 使成为正式, 使具有一定形式
🗣️ 情景例句
We want to leave on May 1st and return on May 8th.
我想五月一日走，五月八日回来。
Not only did I forget my train ticket, but I also forgot my passport.
我不仅忘了带火车票，还忘了带护照。
Excuse me, are you American, too?
对不起，问一下，你是美国人吗？