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
She has the ability to speak English fluently.
她能够流利地说英语。
At what time?
什么时间？
And she's left about $4 million in her will to her husband's daughter by his first marriage.
而她在其遗嘱中将大约400万美元留给她丈夫第一次结婚所生的女儿。