Underclay
n. (煤层下的)底黏土层
🗣️ 情景例句
Will your family be attending the graduation ceremony?
你的家人要来参加你的毕业典礼吗？
A man may talk like a wise man and yet act like a fool.
一个人可能说话像个聪明人，而行为像个大笨蛋。
Excuse me, what's that in English?
这个用英语该怎么说呢？