Radioindicator
[化] 放射性指示剂
🗣️ 情景例句
I think all the products are going to sell very well.
我相信这批货一定会卖得很好。
A friend in need is a friend indeed.
患难朋友才是真朋友。
Now a group of enthusiasts are going to have the plane restored.
一群热心人计划修复这架飞机。