Underscoring
v. 划线于…下, 强调( underscore的现在分词 )
🗣️ 情景例句
You must observe these simple rules.
你必须遵守这些简单的规定。
No. I've been visiting relatives.
没有，我走亲戚去了。
Oh! Well, for that, you'd better find an English pen friend.
哦！那你最好为此找一个英文的笔友。