Monogene
单成因的
🗣️ 情景例句
Dear Allen.
亲爱的爱伦。
All is fair in war.
兵不厌诈。
If fifty pence pieces are not exchanged for sweets, they rattle for months inside money boxes.
如果50便士不拿来换糖吃，则可以放在储蓄罐里叮当响上好几月。