Radioactive substance
[化] 放射性物质\\n[医] 放射性物质
🧩 词语组成解析
🗣️ 情景例句
The area of industry you wanted to get into is already at saturation point.
你想进入的待业已经达到饱和点了。
All is fish that comes to his net.
到了网中都是鱼；只要到手全都要。
Mary is still writing letters. She's been writing letters all day.
马力还在写信，她写了一整天的信。