Oscillosynchroscope
同步示波器
🗣️ 情景例句
Well, you really saved the day for me, Alexandra.
你真的帮了我一个大忙， Alexandra。
You never know what you can do till you try.
事非经过不知难。
It's a pity I didn't think of it earlier.
很可惜，我没有早一点想起这事来。