Oscillations
n. 振动；振幅（oscillation的复数形式）
🗣️ 情景例句
He started with them almost forty years ago.
他在那里做了快四十年了。
You've been caught cheating, now y ou must face the music.
你作弊被当场抓住，这下你得承担自己行为的后果了。
The cry had certainly come form one of the chimneys, but as there were so many of them, the fire fighters could not be certain which one it was.
喊叫声肯定是从烟囱里传出来的，然而，因为烟囱太多，消防队员无法确定到底是哪一个。