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
How about a date with your grandfather?
和你爷爷约个会好吗？
They've been married for quite a few years.
他们结婚好多年了。
It is not long before they are so accustomed to swimming that they can pick up weights from the floor of the pool.
他们很快便适应了游泳，以致能捡起池底的物品。