Duality
n. 二元性\\n[化] 二象性; 双偶性
📖 牛津释义
duality
[U]
n.
🗣️ 情景例句
Thank you, Mr. Lu. Please wait a moment while I check our reservations list.
谢谢，陆先生。请稍等，我查一下订房名单。
Wisdom is a good purchase though we pay dear for it .
为了求知识，代价虽高也值得。
Is that all? It seems worse than a cold.
仅此吗？看似比感冒重吧。