重 点
Bacteria are very small organisms. Some bacteria can cause disease. 细菌
noun [专属名词] 细菌（bacterium的复数）
Chlorine is added to kill bacteria. 加入氯以杀菌。
- bacteria 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 55 From the earth:Greetings bacteria 名词: 细菌
bac(看做back， 背后) + ter + ia(表病) → 总是偷偷让人得病的东西 → 细菌
- 网友用 “Bacteria” 造句精选
- The bacteria were growing in a sugar medium. 细菌在糖基中生长。