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
You look very young. How old are you?
你看起来真年轻, 你多大了?
Who is the auther of this novel?
谁是这本小说的作者?
Despite the fact that the bottle is tinted a delicate shade of green, an observant visitor would soon notice that it is filled with what looks like a thick, grayish substance.