Radioactive cobalt
[医] 放射性钴
🧩 词语组成解析
n. 钴, 钴类颜料\\n[化] 钴Co
🗣️ 情景例句
Happiness is a personal choice.
快乐是个人的选择。
She bursts into laughter.
她突然笑出声来。
Come up these steps with me, please, and be careful.
请跟我走上这些台阶，请小心点。