Duality
n. 二元性\\n[化] 二象性; 双偶性
📖 牛津释义
duality
[U]
n.
🗣️ 情景例句
How's everything with you?
你一切如何？
Did you go to the concert yesterday?
你昨天去听音乐会了吗？
That's OK.
别客气。