Clide
放射性核素浓度
🗣️ 情景例句
I have loved Lillian all these years,
这些年来我一直爱着Lillian，
One hour today is worth two tomorrow.
今天的一个小时抵得上明天的两个小时。
But we have a few small differences, too.
但是我们之间还有些小的差别的。