Boy , Arthur has really turned into a butterball.好家伙! 阿瑟真的是胖成个大圆球了....

butterball的音标：butterball的英式发音音标为：['bʌtəbɔ:l]butterball的美式发音音标为：['bʌtəˌbɔl]...

n.黄油球，胖人[肥胖的动物]，胖子...