今日长难句：

In a 2010 study, researchers at Harvard Medical School reported that college students who dreamed about a computer maze（迷宫）task they had learned showed a 10-fold improvement in their ability to find their way through the maze compared with participants who did not dream about the task.

在2010年的一项研究中，哈佛医学院的研究人员报告称，梦到自己所学的电脑迷宫任务的大学生在迷宫中找到路的能力比没有梦到这项任务的参与者提高了10倍。

分析：

researchers 主语

at Harvard Medical School 地点状语

reported 谓语

宾语从句

that college students who dreamed about a computer maze（迷宫）task they had learned showed a 10-fold improvement in their ability to find their way through the maze compared with participants who did not dream about the task.

从句中：

college students 主语

who dreamed about a computer maze（迷宫）task they had learned 定语从句修饰students

they had learned 定语从句修饰task

showed 谓语

in their ability 状语

to find their way 目的状语

through the maze compared with participants who did not dream about the task 方式状语

who did not dream about the task 定语从句修饰participants

核心词汇：

dream about 梦见

maze n. 迷宫；迷惑；糊涂 v. 使...混乱

participant n. 参与者

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