Arcoscillator
电弧振荡器
🗣️ 情景例句
I guess I am.
我想是吧。
After forty years teaching English he thinks it's time to call it a day.
他教英语四十年，认为该退休了。
It had broken down the previous summer, and though I promised to repair it, I had never got round to it.
那台割草机去年夏天就坏了，尽管我答应修，但一直没抽出时间，