Irreplaceableness
n. irreplaceable（不能恢复原状的）的变形
🗣️ 情景例句
Jogging is good for your health.
慢跑有利于你的健康。
My brother wants to learn how to fly a plane.
我的兄弟要去学开飞机。
I'll phone Dr. Carter.
我去给卡特医生打电话。