Semioscillation
半(周期)振蕩
??? 情景例句
That's Mr. Steven Lu, from Taipei?
您是Steven Lu，從臺北來的？
What do you do at work?
你上班干些什么？
I gave him a meal.He ate the food and drank the beer.
我給了他一頓飯。他把食物吃完，又喝了酒。