Radiotantalum
[医] 放射性钽, 射钽
🗣️ 情景例句
for coming all this way from the city to talk to me about it.
从城里大老远赶来和我谈这件事。
The child is father of (or to) the man.
三岁定终身。
What did he do?
他是干什么的？