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
It's raining cats and dogs.
真是大雨倾盆。
Dexterity comes by experience.
熟练来自经验。
I'm not sure. It was difficult to see. Wei Hua and Sun Meiying were both neck and neck.
我不敢肯定。很难说。魏华和孙美英不分上下。