Invariableness
n. 不变, 不变性
🗣️ 情景例句
Don't move! Get down on the floor.
别动！趴到地上！
Poverty shows us who are our friends and who are our enemies.
贫困才能显出敌和友。
My old friend, Harrison, had lived in the Mediterranean for many years before he returned to England.
我的老朋友哈里森在回到英国以前曾多年居住在地中海地区。