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
Spring has sprung and all the flowers are blooming.
春天来了。花儿都开了。
It's difficult to make a decision whithout knowing all the facts.
不了解所有事实而做出决定是困难的。
the strangest of them being perhaps the hovercraft.
其中最新奇的要数气垫船了。