Invalidator
n. invalidate的变形
🗣️ 情景例句
He's a pretty good bloke and he seems very friendly.
他是一个很不错的家伙，看起来也很友善。
A friend in court is better than a penny in purse.
曩中有钱，不如朝中有友。
This time it was the postman and he wanted me to sign for a registered letter!
这次是邮递员，他要我签收一封挂号信！