Radioactive material
放射性物质
🧩 词语组成解析
material
[mə'tɪrɪəl]
n. 材料，原料;素材;布，织物;适当人选;
adj. 物质的;肉体的;重要的，决定性的;辩证的，推论的;
🗣️ 情景例句
They are a right match.
他们是天生的一对。
I wouldn't, if I were you.
要是我就不会。
Maybe we could start with the Designing Department.
也许我们可以先参观一下设计部门。