Ferrofluids
(ferrofluid 的复数) 铁磁流体
🗣️ 情景例句
And I didn't sleep well, Daddy told me.
而我总是睡不好。爸爸告诉我的。
This is a chair.
这是一张椅子。
Oh, yes.we don't carry that item anymore.
哦，是的，那一项目我们不再卖了。