Four electrode tube
[电] 四极管
🧩 词语组成解析
four
[fɔr]
num. 四;四个;第四;
n. 四的;四个一组之物;
🗣️ 情景例句
When you're out in the fresh air like this, it makes you hungry.
当你来外面呼吸这么新鲜的空气时， 就很容易饿。
I remember the girl whose father owns a pet shop.
我记得那个女孩的父亲有一家宠物店。
It's all about space and satellites.
全是有关宇宙和卫星的。