Froh弗罗
froadv.来回(现仅用于to and fro短语中)
frozen hen egg yolk冰鸡蛋黄
frozen meat product冻肉制品
frozen denaturation冷冻变性
frozen soybean curd冻豆腐
Frohlich's syndrome
frozen mutton brain冻羊脑
frozen earth tunnel冻土隧道
frozen mutton liver冻羊肝
Froeschel's symptom
frozen crucian carp冻鲫鱼