Radioactive equilibrium
[化] 放射性平衡\\n[医] 放射平衡
🧩 词语组成解析
🗣️ 情景例句
What's it about?
是关于什么的？
All things are difficult before they are easy.
凡事都是先难后易。
Most people eat, write, and work with their right hands.
大多数人吃饭，写字，工作都用右手。