Radioscan
放射性同位素扫描
🗣️ 情景例句
Let's see some action!
赶快行动起来吧！
Can you afford the expense?
你出得起这笔费用吗？
it was not long before its use as the uniquely recognizable broadcasting frequency for interstellar communication was suggested.
提出把它作为星际间唯一可辨认的广播频率就为期不远了。