Toroidal core
[电] 环状铁心
🧩 词语组成解析
[计] 环形的
core
[kɔ:]
n. 中心，核心，精髓;果心，果核;[地质学]地核;[计] 磁心;
vt. 去（果）核，挖去…的果心;提取岩芯（样品）;
🗣️ 情景例句
Let's see. Four desks.
我来看看。四张桌子。
A drowning man will catch at a straw.
溺水者见草也要抓；急何能择。
It's only three hundred pounds. But, of course, it's not as good as the expensive one.
它只要300英镑。但是，它当然没有价钱高那种好。