Semioscillation
半(周期)振荡
🗣️ 情景例句
All right. That's it for today.
行了。今天就做这些。
People greet one another with Happy New Year.
人们相互祝福“新年好”。
The police had been told that a bomb had been planted on the plane.
有人报告警察，说飞机上安放了一枚炸弹。