Quadriad
n. 四个一组(或一套、一系列)
🗣️ 情景例句
Thanks a lot. Bye.
多谢，再见。
I'm the youngest.
我最年轻
Gandhi returned to India in 1915 and was honoured as a hero.
甘地于1915年回到印度时，被推崇为英雄。