Aerobicize
vi. 參加體育鍛煉
??? 情景例句
How wonderful to meet you again!
又一次見到您真是太高興了！
I'm sorry. You're right. I should have asked.
對不起。你說得對，我本該先問一聲的。
Everyone knows that if he shouts in the vicinity of a wall or a mountainside, an echo will come back.
大家都知道，在墻壁或山腰附近發出的喊聲，就會聽到回聲。