Triacs
三端双向可控硅元件
🗣️ 情景例句
I'll be back with them.
我会带他们来。
What''s the fare to New York, Economy Class?
去纽约的经济舱机票多少钱？
I hope that you and everybody at school are all well.
我希望你和学校里的每一个人都很好。