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
Yes?
是吗？
Forgive me.
请原谅我。
Jim couldn't decide where to go for his holidays. He didn't go anywhere in the end.
几亩决定不了去哪渡假，最终他哪儿也没去。