Radioindicator
[化] 放射性指示剂
🗣️ 情景例句
I'd love to come. But I have to be on duty this weekend night.
我是想过来，但我周末晚上得值班。
I'm washing the car in the garage.
我在车房洗车。
We only need to put the candles on it, now.
“我们现在只需把蜡烛插上就 行了。”