Clide
放射性核素浓度
🗣️ 情景例句
You've met my wife Marilyn ...
你曾经见过我太太Marilyn……
What is happening up there?
上面发生什么事情？
All right. I will send the information on a piecemeal basis as we acquire it.
好。我们收齐之后会立即寄给你。