Actinogen
射线质, 放射性物质
🔁 扩展释义
【医】 射线质
🗣️ 情景例句
I thought that was Nat Baker who rang the front doorbell.
我还以为是Nat Baker 按大门门铃呢。
A smart coat is a good letter of introduction.
人要衣装，佛要金装。
This box is big.
这是个大盒子。