Calcium-45
[化] 放射性钙; 钙45
🧩 词语组成解析
forty-five; [电影]魔鬼交锋.45
🗣️ 情景例句
Please try to keep relaxed, sir.
别太紧张，先生。
On coming home, he switched on the television.
他一到家就打开了电视。
It's nothing to be surprised about.
这事不值得大惊小怪。