Radioactive calcium
[医] 放射性钙
🧩 词语组成解析
🗣️ 情景例句
What's happening with you these days?
你近来好吗？
May I do it by tomorrow?
我能明天做吗？
the line that the pen was drawing wriggled from side to side.
笔所画出的线就会左右摆动。