Immutableness
n. immutable的变形
🗣️ 情景例句
Will your family be attending the graduation ceremony?
你的家人要来参加你的毕业典礼吗？
Cindy's sister is coming to stay with her a week from tomorrow.
辛迪的妹妹从明天起一个星期以后将过来和她住在一起。
only of metal, which wears away by friction.
而是由金属组成，而金属可以随着磨擦而磨损殆尽。