Isotopes
n. 核素；同位素（isotope的复数）
🗣️ 情景例句
So I have a good idea about your financial situation.
所以， 我对你们的财务状况很了解。
He said he knew a lot of people there.
他说他在那里认识很多人。
We'll have to talk this over some more.
这件事我们得好好地再谈一谈。