Binarity
n. 成双性；二进制
🗣️ 情景例句
I graduated from Nanjing University.
我从南京大学毕业的。
I'm leaving tomorrow,but I haven't packed my suitcases yet.
我明天将离开，但是我还没收拾好行李。
The weather was very cold, and many people were ill.
天气非常冷，很多人生了病。