Ferrofluid
铁磁流体
🗣️ 情景例句
and I'm running for the open seat on the school board.
我正在竞选联合校董会的席次。
Would you mind mailing this letter for me?
你介意寄我的这封信吗？
It doesn't matter. It's not important. But my friends call me Jim for short.
没关系。这不重要。不过我的朋友们为了简便都叫我吉姆。