adjective [原级] 粗略的，大概的；粗糙的，粗制的；冒犯的，粗俗的；天然的，自然的
If you describe an object that someone has made as crude, you mean that it has been made in a very simple way or from very simple parts. 粗制的
noun [物质名词] 原油；天然的物质
Crude oil is the world's most important commodity. 原油是世界上最重要的商品。
- crude 出现在下面的课文中（提供视频、音频及笔记等可系统性学习）
- Lesson 21 Daniel Mendoza crude 形容词: 粗野的
- Lesson 40 Who's who
