点击下方单词,选择对的这个单词
点击下面链接下载与本句相关的学习资源，包括PDF教材和音频练习，方便课后复习：
1. 秋天Autumn is the season between summer and winter when the weather becomes cooler and the leaves fall off the trees.
1. the season when the leaves fall from the trees
e.g. in the fall of 1973
Synonym: fall
多通过句子记忆单词，而不是单独死记硬背。
