Radioactive calcium
[医] 放射性钙
🧩 词语组成解析
🗣️ 情景例句
These are lucky kids.
这是一群幸运的孩子。
There's nothing interesting in the newspaper.
报纸上没有什么有趣的新闻。
They had rough weather, and Kunta's back bled from rolling over on the hard wooden boards.
他们经历了恶劣的天气，孔塔的背部由于在硬木板上滚动而流了血。