Ferrofluids
(ferrofluid 的复数) 铁磁流体
🗣️ 情景例句
We promise. Can we pay for our imports in RMB?
我们答应。请问，我们能否用人民币付款？
How many handfuls are you going to get?
你要取几把？
He can't write very much on a card, Mum.
在明信片上他写不了很多，妈妈。