Arcoscillator
电弧振荡器
🗣️ 情景例句
I'll be seeing you!
再见。
It is too late to shut the stalbe door when the steed is stolen.
失马锁厩，为时已晚；贼去关门，为时已迟。
I like reading English books, but they're sometimes rather hard.
我喜欢看英语书，但有时候英语书相当难读。