Radioindicator
[化] 放射性指示剂
🗣️ 情景例句
No sweat! I'd be happy to help.
没什么！很高兴我能帮上忙。
What can't be cured must be endured.
不治之症，必须坚忍。
Bleriot had been making planes since 1905 and this was his lattes model.
布莱里奥从1905年起便开始研制飞机，“11号”飞机是他制作的最新型号。