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
We're on the fifth floor.
我们在五楼。
I'm Mr. Smith's next door neighbor.
我是史密斯先生的隔壁邻居。
Following his discovery many islanders travelled 3,500 kilometers by sea in their narrow boats to this new country between 1100 and 1350.
继其发现之后，许多岛民于1100年至1350年间驾着他们那窄小的帆船航行3500公里来到这一新的国度。