Diac
两端交流开关元件
🗣️ 情景例句
You won't be disappointed, Mr. Carlson. Thanks.
我不会让你失望的 Carlson先生。谢谢 。
We prepared a picnic lunch and drove down by the river.
我们准备了野餐午餐并沿河边向下开车。
I must see the dentist now,nurse.
我必须现在就见牙科医生，护士。