Barrel switch
[计] 桶形开关
🧩 词语组成解析
barrel
['bærəl]
n. 桶;一桶之量;圆筒，活塞筒，滚筒;圆筒;
adj. 桶状的;
vt. 装进桶里，放进桶里;
vi. 高速行驶;
bar 木棒,障碍#词根助记：bar木条,桶是用木条做成的
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
Those are the rules and regulations, and we have to abide by them.
这些就是这儿的规矩， 大家都应该遵守。
My boyfriend is against me going too.
我的男朋友也反对我去。
As a shipbuilder, Cockerell was trying to find a solution to the problem of the wave resistance which wastes a good deal of a surface ship's power and limits its speed.
作为一个船舶技帅，科克雷尔在寻找解决波浪阻力的方法，因为波浪阻力浪费掉了船在水面行驶的大量动力，从而限制了船的速度。