Semioscillation
半(周期)振荡
🗣️ 情景例句
Mid terms are coming soon.
很快就期中考试了。
Be swift to hear, slow to speak.
多听少说。
Get him his change! It's easy to say, sir; but look at the bill yourself.
给他找钱！先生，说的倒轻巧，您自己来看看这张票子吧。