Diac
两端交流开关元件
🗣️ 情景例句
Excuse me, I just wanted to compliment you on the stunning decor.
不好意思，我只是想赞美一下你那了不起的装饰布置。
Yes,I have both your hat and your coat.
不，你的帽子和大衣都在我这里。
At the moment, he's in Madrid.He flew to Spain a week ago.
现在他在马德里。他是一星期以前飞到西班牙的。