Ferrofluids
(ferrofluid 的复数) 铁磁流体
🗣️ 情景例句
Run it by me again, if you don't mind.
不介意的话，请再说一遍。
A life without a friend is a life without a sun.
人生在世无朋友，犹如生活无太阳。
Do you see that notice? It says No Camping -- in case you can't read!'
你们看到那个布告牌了吗？上面写着‘禁止野营’－－除非你们不识字！”