Continents
n. 洲, 大陆( continent的复数形式 ); 欧洲大陆（不包括英国和爱尔兰）
🗣️ 情景例句
Excuse me, but may I ask how old you are?
对不起， 我能问一下你多大了吗？
How often did I tell you to keep quiet?
我告诉你多少次要安静?
To get a full appreciation of what this means we must turn first to some recent human inventions.
要透彻理解这句话的意义，我们应先回顾一下人类最近的几项发明。