腐烂的树叶用英语可以说作 "rotten leaves"。
这个词组来源于英语动词 "rot," 意思是 "腐烂"。在这里，它被用来修饰名词 "leaves," 意思是 "树叶"。
下面是一些使用 "rotten leaves" 的英文例句，以及它们的中文翻译：
"I need to clean up the yard and get rid of all these rotten leaves." (我需要打扫院子，清除所有这些腐烂的树叶。)
"The smell of rotten leaves filled the air as I walked through the forest." (我在森林里走时，腐烂的树叶的气味充满了空气。)
"Rotten leaves can be a breeding ground for pests and diseases in the garden." (腐烂的树叶可能成为花园里害虫和疾病的温床。)