Oscillations
n. 振动；振幅（oscillation的复数形式）
🗣️ 情景例句
No. Instead of exercising, I photographed the class.
没有， 没有， 我在给他们拍照。
Where drums beat, laws are silent.
战鼓一打，法律无声。
The old lady though the was a fussy creature,
老妇人觉得巡官大惊小怪，