Radiostrontium
n. [化] 放射性锶
🗣️ 情景例句
It's the first thing people will see when they come in.
这是人们走进来所看到的第一 件东西。
I'm Clifton, and I've been associated with this project since the beginning.
我叫克里夫敦，从一开始我就参与了这项计划。
You really see the shape of the land.
你确能饱览大地的风貌。