frobn.开关旋钮; 调着玩
froadv.来回(现仅用于to and fro短语中)
frozen snail meat冻蜗牛肉
frozen fish block冷冻鱼块
frozen vegetables速冻蔬菜
frozen pork heart冻猪心
frozen food paper冷冻食品包装纸
frozen silty clay冻结粉质粘土
frozen marine eel冻海鳗
Froehlich obesity弗勒利希肥胖
frozen globe fish冻河豚鱼
Frozen - thawed冷冻复苏