Frim
潜艇浮力配平
🗣️ 情景例句
I continued to teach piano lessons at home.
我继续在家教钢琴。
Custom makes all things easy.
若照习惯办，万事皆不难。
The growth of alternative mental interests is a long process.
精神上多种情趣的培养是一个长期的过程。