frobn.开关旋钮; 调着玩
froadv.来回(现仅用于to and fro短语中)
frozen cockerel冻雏鸡
frozen pork ham冻火腿
frozen sandwich冰冻三明治
frozen pheasant冻山鸡
frozen prepared冷冻调理
froude pendulum弗劳德摆
frozen hind leg冻后腿
frozen ox tongue冻牛舌
frozen wild boar冻野猪
frozen pork nape冻猪颈背肉