Ferromagnet
n. [物]铁磁物质, 铁磁的磁体
🗣️ 情景例句
The cradle will rock.
摇篮跟着晃。
She regrets that she hurt your feelings.
他后悔伤害了你的感情。
and then there are three thousand million other Milky Ways, or galaxies, in the universe.
况且在宇宙中还有30亿个天河，即银河系。