Boundary material
[化] 界面物质
🧩 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
It's about my grandfather.
是关于我爷爷。
It was not until the accident happened that I became aware of my own foolishness.
直到事故发生我才意识到我自己的愚蠢。
What's on?
上映什么片子？