Dyad
n. 二, 一对, 二元一位\\n[化] 二价元集(或基); 双; 对; 成对之物; 并矢
✅ 同义词
🗣️ 情景例句
No, thank you. It's too late. I really have to go.
不，谢谢。太晚了，我真的该走了。
By doing we learn.
经一事，长一智。
Once he landed on the roof of a block of flats and on another occasion, he landed in a deserted car park.
一次，他把飞机降落在了一栋公寓楼的屋顶上；还有一次，降落在了一个废弃的停车场上。