These chaps know what side their bread's buttered on.这些家伙知道怎样做对他们有利。She buttered her bread.她在她的面包上涂黄油.Half fell on the buttered side, and half didn't.一半是涂黄油的一面朝下, 另一半不是....

butterfish的音标：butterfish的英式发音音标为：['bʌtərfɪʃ]butterfish的美式发音音标为：['bʌtərfɪʃ]...

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]...

The Monarch Butterfly breathes through its wings and female Monarchs have thicker wing veins.帝王蝶通过翅膀呼吸,雌性帝王蝶有更加厚实的翅膀脉络.Overall a monarch butterfly is no more or less striking than its host, the milkweed pod.大体上,帝王蝴蝶和其宿主奶...

n.脱脂乳，酪乳...

n.黄油( butter的名词复数 )，黄油状的食品v.抹黄油于…上( butter的第三人称单数 )...

butterfly的一般过去时为：butterflied...

butterfingers的复数形式为：butterfingers...