Oscillography
[电] 示波法
🗣️ 情景例句
Those were great days and we were very happy.
那些日子美好极了，我们过得很幸福。
The restaurant doesn't open until seven forty-five.
饭馆要到七点四十五分才开门。
Just a minute. I'll see if I'm free. No, I'm not. I've already got something on that evening.
等一会。我看看是否有空。不，我没空。我那天晚上已经有了安排。