Radioactive strontium
[医] 放射性锶
🧩 词语组成解析
[化] 锶Sr\\n[医] 锶(38号元素)
🗣️ 情景例句
used for new books
被用来购买新书
Life is short and time is fleeting.
人生短暂，光阴易逝。
A tramp may ask you for money, but he will never ask you to feel sorry for him.
游浪汉可能会向你讨钱，但他从来不要你可怜他。