Undersides
n. 下侧( underside的复数形式 ); 下部表面; 底面; 底部
🗣️ 情景例句
You work hard on all your committees,
而你总是在各种委员会里忙，
You are still thinking about a Ph.D., aren't you?
你还是想学成博士，是吗？
He then changed into overalls and spent the next eight hours as a dustman.
然后换上工作服，当8个小时清洁工。