Mebrane
[电] 膜片
🗣️ 情景例句
My parents set aside a college savings fund for me.
我的父母为我存了一笔上学的费用。
It was a terrible experience,and I won't forget it.
它是可怕的经验，我不会忘记它。
The first records the arrival of longitudinal vibrations.
首先记录下的是纵向波的到达；