microphonic contact

例句：

1. 1. The microphonic contact between the two speakers is very important for understanding each other's speech.
   两个说话者之间的微音接触对于理解彼此的言语非常重要。
2. 2. In this experiment, we used a microphonic contact to measure the distance between the speaker and the microphone.
   在这个实验中，我们使用了一个微音接触来测量说话者和麦克风之间的距离。
3. 3. The microphonic contact between the two speakers was so faint that it was difficult to hear clearly.
   两个说话者之间的微音接触非常微弱，以至于很难听清楚。