Expounds
v. 论述, 详细讲解( expound的第三人称单数 )
🗣️ 情景例句
Oh, Somebody's at the door. I have to go.
哦，有人来了，我得去开门。
What do you think I should do?
你想我该怎么做呢？
No, she bought them in the U.S.
不。她是在美国买的。