Radioindicator
[化] 放射性指示剂
🗣️ 情景例句
Change the light bulb, it's burnt out.
换一个灯泡吧，它烧坏了。
Laugh and grow fat.
心宽体胖。
There will be a strong wind to the north of the Huai River.
淮河以北地区有一股强风。