单词学习：burned 动词过去式/过去分词
burned
/bɜːrnd/
燃烧的；烧焦的；烧伤的（burn的过去式和过去分词）
The documents were accidentally burned, so Mr. Gu had to rewrite the entire lesson plan.
文件意外被烧毁了，所以顾老师不得不重写整个教案。
单词卡片
卡片已就绪
