Material of construction
[化] 结构材料\\n[经] 建筑材料
🧩 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;
of
[əv]
prep. 关于;属于…的;由…制成;
aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气];
🗣️ 情景例句
Have you made the music arrangements?
音乐安排好了吗？
Have a nice Thanksgiving!
感恩节快乐！
Since that time, racing drivers have reached speeds over 600 miles an hour.
从那时以来，赛车选手已达到每小时600英里的速度。