Quadrumvirate
n. 四人团体, 四人小组
🗣️ 情景例句
Hey, Xiao Lu, what's up?
嘿，小陆，你好啊？
I am well aware of how risky this investment is.
我非常清楚这项投资有多大的风险。
Babies of two months old do not appear to be reluctant to enter the water.
两个月的婴儿并未显得不愿意入水。