Refractory materials
[机] 耐火材料
🧩 词语组成解析
materials
[[mə'tiəriəlz]]
n. 材料；材料费；材料科学；材质（material的复数）
🗣️ 情景例句
you've been writing for the school paper.
你为校刊写文章。
All measurements of each case must not exceed 1.5m*1m*1m.
每只木箱体积不应超过1。5m*1m*1m。
The undulating waves of the open sea are generated by three natural causes:
海浪是由三个自然因素形成的：