Oscillector
振荡(频率)选择器
🗣️ 情景例句
If we're all prepared to recycle paper, thousands of trees could be saved every day.
如果纸能被循环利用，那么每天千千万万的树木就可得以挽救。
I'm afraid I spilled coffee on the tablecloth.
对不起，我把咖啡洒到桌布上了。
Sure. Later this evening.
当然可以。今晚晚些时候。