Pnpn-type switch
[电] PNPN型开关
🧩 词语组成解析
type
[taɪp]
n. 类型;铅字;（印刷或打印的）文字;于…类型的;
vt.& vi. 打字;
vt. [医学]测定（血型）;按类型把…归类;成为…的典型;[印刷]浇铸（铅字等）;
switch
[swɪtʃ]
n. 开关;转换，转换器;软鞭子;[信]接线台;
vt.& vi. 转变，改变;转换;关闭电流;鞭打;
vt. 转换;挥动（棍棒、鞭子等）;迅速转动;鞭打;
vi. 交换;调换;
🗣️ 情景例句
You shouldn't have.
不该这样破费的。
Please quote us as soon as you receive our inquiry.
请接到我们的询价单后马上给我们报价。
There's something wrong with my left shoulder. I hurt it while I was doing gym. I've got a pain here too.
我的左肩疼痛。我做体操时受伤了。这里也疼。