Isotopes
n. 核素；同位素（isotope的复数）
🗣️ 情景例句
I'd like to go into the city and meet you there,
我想到城里去看你，
Christmas Day we have a large dinner with many different things to eat.
在圣诞节晚餐，我们会吃很多不同的佳肴。
Children always appreciate small gifts of money.
孩子们总是喜欢得到一些零花钱。