武器库 | Core Arsenal
动词搭配不要记错哦：
Identify
silver 🥈steel 🏗️
Inquire
cotton ☁️wood 🪵
避坑雷达 | Grammar Radar
Object + is/are made of + Material
🚨 高频易错点 Warning!
❌
The coin made of silver.
Missing the 'be' verb in the passive state.
✅
The coin is made of silver.
Correct use of Present Passive to describe a permanent state.
通行证 | Can-Do Goals
学完本课，你能做到：
识别并分类常见的原材料
Identify common raw materials.
询问某物是由什么制成的
Ask: What is this made of?
描述物品的组成成分
Describe object composition using passive voice.
🌎
The Material Matrix
在工业设计中，材料的选择决定了产品的价值。例如，纯银(Silver)不仅代表美观，更代表了耐用与品质。