Expertism
n. 专长, 专门技能(或知识等)
✅ 同义词
🗣️ 情景例句
The college runs summer courses for Chinese learneers of English.
这所学院为学习英语的中国人开设了暑期班。
Though thy enemy seem a mouse,yet watch him like a lion.
敌人即使小如鼠，防他也要如防狮。
Oh, yes. It is mine.
啊，是的！是我的！