Material alterations
[经] 重要变更, 实质性改变
🧩 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;
n. 改变；变更；服装修改（alteration的复数）
🗣️ 情景例句
Please try to keep relaxed, sir.
别太紧张，先生。
According to Mr. Green,this is a complicated problem.
对于格林先生，这是一个复杂的问题。
Five days ago, the policeman told him, the bicycle was picked up in a small village four hundred miles away.
那位警察对他说，那辆自行车是5天前在400英里外的一个小村里发现的，