Isodiapher
同差素(过剩中子数相同的核素)
🗣️ 情景例句
Time heals all wounds.
时间可治愈一切创伤。
Three hundred thousand dollars! I think you should sign with our team.
三十万美元啊！我想你会和我们球队签约的。
When did they leave this area?
他们什么时候离开这里？