adverb [关系副词] det. 双方，两者
She cried out in fear and flung both arms up to protect her face. 她害怕得哭起来，急忙伸出双臂以保护自己的脸。
pronoun [关系代词] 两者
Miss Brown and her friend, both from Brooklyn, were arrested on the 8th of June. 布朗小姐和她的朋友，两人来自布鲁克林，于6月8日被捕了。
conjunction [关联连词] …和…都；…和…都
You use the structure both...and when you are giving two facts or alternatives and emphasizing that each of them is true or possible. … 和…都
adjective [原级] 两…，双…
Both the horses were out, tacked up and ready to ride. 两匹马都在门外被套上了马鞍，随时可以骑。
- both 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 117&118 Tommy’s breakfast
- Lesson 35 Stop thief!
- Lesson 40 Food and talk
- Lesson 44 Through the forest
- Lesson 69 But not murder!
- 课程介绍
