spanking：打屁股，飞快的，了不起的

来自spank,打屁股。引申俚语义响亮的，飞快的，了不起的。

• middle
• middle-age spread
• middlebrow
• middle class
• Middle English
• middle ground
• middleman
• middle management
• middle-of-the-road
• middleware
• middleweight
• middling
• midge
• midget
• midi system
• midland
• midlife
• midlife crisis
• midnight
• midriff
• midshipman
• midst
• midstream
• midsummer
• Midsummer