Oscillations
n. 振动；振幅（oscillation的复数形式）
🗣️ 情景例句
She is sleeping here so she won't have to travel from Riverdale in the morning.
她晚上住在这儿，免得早上从Riverdale赶过来。
A staff is quickly found to beat a dog with.
欲加之罪，何患无辞。
I like sitting by the Wayle on fine afternoons.
我喜欢在天气晴朗的下午到河边坐坐。