Triac
n. 三端双向可控硅开关元件\\n[计] 三端可控硅器件
🗣️ 情景例句
And miles to go before I sleep,
在我就寝前还得赶许多哩路
He has a radio,doesn't he?
他有一台收音机，对不对？
He bothered me with a great many questions.
他对我提了一大堆问题，真烦！