G.m.counter
[化] 盖革-米勒计数器
🗣️ 情景例句
Oh, let's see. It'll be about 3:30 before we have anybody free.
哦，让我想想。大概要到3：30我们才有空。
To be of use in the world is the only way to be happy.
为善最乐。
What's up?
怎么了？