Quaternity
n. 四个一组, 四人一组, 四位一体
🗣️ 情景例句
It was tough, but I made it. I'm a college graduate.
那虽然不简单， 但我成功了。 我现在是一名大学毕业生了。
Many drops makes a shower.
积少成多。
Thank you very much.
非常感谢！