重要
chemical
/ˈkemɪk(ə)l/📚 2633 4四级六级考研高考Chemical means involving or resulting from a reaction between two or more substances, or relating to the substances that something consists of. 化学的
adjective [原级]化学的，与化学有关的
...chemical reactions that cause ozone destruction. …
导致臭氧破坏的化学反应。
noun [专属名词]化学品，化学制品；成瘾的药物
Chemicals are substances that are used in a chemical process or made by a chemical process.
化学物; 化学制品
- chemical 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 15 Secrecy in industry
- Lesson 43 Are there strangers in space?
- Lesson 45 Of men and galaxies
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