Magnetoflex
铜镍铁永磁合金
🗣️ 情景例句
It's not good enough to show.
还不值得展示。
It is better to please a fool than to anger him.
惹得傻瓜发火，不如使他快活。
And he promptly handed the sheet of paper to the gaoler.
说完，他一下子把信递给狱卒。