Cofacter
n. 余因子
🗣️ 情景例句
Thank you, Mr. Tom. The same to you.
谢谢，汤姆先生。也祝你圣诞快乐！
When did you call?
你什么时候打电话来的？
Eric had been the eldest son of the family, very much older than his two brothers.
埃里克是这家长子。