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
Fine. How much would you like to exchange, sir?
好的。您要兑换多少呢，先生？
You'll hurt your arm, if you don't take care.
你不专心的话，就会伤到你的手指。
Not yet.
还没。