The brain is as active during REM (rapid eye movement) sleep—when most vivid dreams occur—as it is when fully awake, says Dr. Eric Nofzinger at the University of Pittsburgh

生詞

REM? ?（名詞）：快速眼動

vivid dreams??生動的夢境

fully awake? ??（副詞+形容詞）：完全清醒的

Dr. Eric Nofzinger? ?（專有名詞）：艾瑞克·諾夫青格博士

University of Pittsburgh??（專有名詞）：匹茲堡大學

分析：分三段;

主干：The brain?is?as active during?REM (rapid?eye?movement) sleep? ...?...as it?is?when fully awake（比較從句

時間狀語從句：when most?vivid?dreams?occur

插入語：?says?Dr.?Eric Nofzinger?at?the?University of Pittsburgh

翻譯：匹茲堡大學的 Eric Nofzinger博上說，大腦在 REM (快速眼動) 睡眠期間 (大多數(shù)生動的夢境發(fā)生時) 與完全清醒時一樣活躍。