Radiocarbon
n. 放射性碳, 碳-14\\n[化] 放射性碳
?? 醫學釋義
放射性炭，射炭
??? 情景例句
Thanks, Dad.
謝謝， 爸爸。
For my math requirements, I'll be taking algebra, calculus, and trig.
數學的必修學分預定選代數、微積分、三角法。
Before Annie Sullivan came to our house, one or two people had told my mother that I was simple-minded.
安妮·莎利文來到我們家之前，已有一兩個人告訴我母親，說我頭腦簡單。