Radioactive dating
[化] 放射性测定年代
🧩 词语组成解析
[计] 记日期的\\n[经] 注明日期
🗣️ 情景例句
Happy birthday.
生日快乐。
Do not praise a day before sunset.
切勿褒贬过早。
The cry had certainly come form one of the chimneys, but as there were so many of them, the fire fighters could not be certain which one it was.
喊叫声肯定是从烟囱里传出来的，然而，因为烟囱太多，消防队员无法确定到底是哪一个。