Strontium 90
n. 锶九十（核爆炸时释放的放射性物质）
📖 牛津释义
strontium 90
radioactive form of strontium found in the fall-out from nuclear explosions and extremely harmful to people and animals when taken into the body 锶 90（锶的放射性同位素）.
🧩 词语组成解析
[化] 锶Sr\\n[医] 锶(38号元素)
ninety
🗣️ 情景例句
Please accept my apology for not neeting you for lunch Tuesday.
我很抱歉，星期二没有与你一起共进午餐。
All things are difficult before they are easy.
凡事必先难后易。
Even the bull seemed to feel sorry for him,
因为它一直同情地看着醉汉，