Quaternity
n. 四个一组, 四人一组, 四位一体
🗣️ 情景例句
Building a nuclear power plant now would not be doing the environment any favors.
建核电站对于环境没有什么好处。
This is our most recently developed product.
这是我们最近开发的产品。
He used to learn everything by rote.
他过去总是死记硬背。