Quaternity
n. 四个一组, 四人一组, 四位一体
🗣️ 情景例句
I feel lucky tonight.
今晚我觉得很幸运。
The knife is dirty, Would you bring me a clean one, please?
这刀子是脏的，请你拿个干净的给我。
We're not going to have any classes next week.
下周我们不上课。