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
No. She's at work now.
不在，她正在上班。
The operation was a success. She's now in recovery.
手术进行的很顺利，她正在恢复中。
I was only five when my father had taken me abroad, and that we eighteen years ago.
我5岁那年，父亲就带我出了国，那是18年前的事了。