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
And we brought some home for you.
而且带了一些回来给你 。
The college was established in 1940.
该学院建立于1940年。
It is six o'clock.In the evening, the children usually do their homework, but this evening, they are not doing their homework.
现在是6点钟。晚上，孩子们通常是做作业，而今天晚上，他们没做企业。