Pyroferrite
热电铁氧体
🗣️ 情景例句
It is generally believed that Chinese are poor public speakers.
一般认为中国人不擅长公众演讲。
I feel terrible, but I've just broken your ashtray.
真是很抱歉，我刚才打破了你的烟灰缸。
I'm afraid all these offices are non-smoking offices.
恐怕这些办公室都是禁烟办公室。