It was thought that platypuses did not experience REM sleep because their forebrains, the part of the brain associated with dreaming, were inactive during sleep.是什么意思_It was thought that platypuses did not experience REM sleep because their forebrains, the part of the brain associated with dreaming, were inactive during sleep.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句