Clefs
n. 音部记号( clef的复数形式 )
🗣️ 情景例句
He devoted his life to promoting world peace.
他一生致力于促进世界和平。
What were you doing this time last year?
去年这时候你在干什么？
I think you had better come out to the factory.
我看你最好走一趟工厂，