Ferrofluid
铁磁流体
🗣️ 情景例句
I might as well take it along.
我还是一道带着。
If at first you don't succeed, try, try again.
初试不成功，努力勿懈怠。
This is a kind of printing that blind people can read by touching groups of raised points that are printed on paper.
布莱叶盲文是一种印刷字体，盲人通过摸印在纸上起的点点来读书。