Improvability
n. 可改良的性质(或状态), 可改善
✅ 同义词
🗣️ 情景例句
Hmmm.
嗯。
If things were to be done twice all would be wise.
事事倘能做两次，人人都可称明智。
At the moment in my country there are very few such schools.
目前在我国这类学校太少了。