C14
[医] 碳14, 放射性同位素碳(原子量14)
🗣️ 情景例句
because, Danny,
因为Danny，
Fear not the future; weep not for the past.
不要为未来担忧，不要为过去悲泣。
If we could actually see the path described by a particle,such as a sand grain in the rock,
假如我们真能看到的运动轨迹，诸如岩石中一个沙粒分子