Bifocus
双焦点
🗣️ 情景例句
Do you feel like going to the cinema?
你想去看电影吗？
Two dogs strive for a bone,the third runs away with it.
两狗相争一骨头，第三只狗衔起走。
This is because the surface of the earth is not flat but round.
因为地球表面不是平的，而是圆的。