Panpot
电位计 移动立体声录音法, 假立体声录音法
🗣️ 情景例句
Ten o'clock.
十点钟。
Which one is more difficult?
哪一个是比较难的？
To his astonishment, the bee began to perform a dance on the surface of the honeycomb.
冯·弗里施就透过玻璃进行观察。