Oscitron
隧道二极管振荡器
🗣️ 情景例句
and you can listen to him over the phone.
而且你可以在电话中听到他的声音。
Though the fox run, the chicken hath wings.
狐狸虽会跑，小鸡有翅膀。
I go to school by bike every day.
我每天骑自行车上学。