Isotopic dating
[化] 同位素测定年龄
🧩 词语组成解析
a. 同位素的\\n[医] 同位的
[计] 记日期的\\n[经] 注明日期
🗣️ 情景例句
If you have time around Christmas, please come to visit my family.
如果你圣诞节前后有空，欢迎到我家来玩。
She feared the arrival of the bill-collector.
她害怕收帐人来。
And then, James could see! How happy everyone was!
紧接着，詹姆斯能看见了！大家多么高兴啊！