Cobalt 60
n. 钴的放射性同位素, 钴60
🧩 词语组成解析
n. 钴, 钴类颜料\\n[化] 钴Co
sixty
🗣️ 情景例句
saying he was going to the railroad station
说他要去火车站
To make up to mother
受母亲宠爱
from which can be seen the strata the drill has been cutting through.
从中能看出钻头所钻透的地层。