Bioisotope
生物同位素, 生物同位体
🗣️ 情景例句
Yes, she does. She works at home.
是的，她工作。她在家里工作。
We want to strengthen our ties with the United States.
我们想加强和美国的关系。
It's over there,behind the teapot.
就在那儿，茶壶后面。