Quadruplicity
n. 四重, 四倍, 四重性
🗣️ 情景例句
It's a privilege to know you.
认识您是我的荣幸。
It's out of the question.
这是不可能的。
It looked as if there would be an exciting race across the Channel.
看来会有一场激烈的飞越英吉利海峡的竞争。