Three-pole switch
[计] 三极开关
🧩 词语组成解析
three
[θri]
num. 三;三个;第三（章，页等）;
n. 三岁;三个人[东西];三，三个;
adj. 三的;三个的;
pole
[pol]
n. [物]极点，顶点;地极;杆;两极端;
vt.& vi. 用篙撑船，摆船;
vt. [航海] 用一根杆来推动;以杆推进;以杆支撑（植物）;用杆子击打、戳、或搅拌;
vi. 用滑雪杖加速;
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
When he came to the States five years ago, he had only forty dollars in his pocket.
五年前他来美国时，口袋里只有40美元。
It's only a suggestion,and you can do what you please.
它仅仅是一个建议，你能做你喜欢的东西。
For our purposes, we are concerned only with one kind of cost----
就我们的目的而言，我们只关心一种费用-