Ferrofluids
(ferrofluid 的复数) 铁磁流体
🗣️ 情景例句
I could tell something was up by the look on their faces.
我一看他们的脸色就知道有事。
Sorry, but I have to go. Peace!
对不起，我必须走了，祝无恙！
rising at one-foot intervals all the way to the top of the atmosphere.
并按1英尺的间隔从地面一直排列到大气层的顶端。