Ferrofluids
(ferrofluid 的复数) 铁磁流体
🗣️ 情景例句
Oh, let's see. It'll be about 3:30 before we have anybody free.
哦，让我想想。大概要到3：30我们才有空。
When will you be released?
你预定何时出院？
Let's take a short break for lunch.
让我们休息一会儿，去吃午饭。