FROF=Freight Office 货运处
froadv.来回(现仅用于to and fro短语中)
frozen-in field lines磁力线冻结
frozen boiled clam meat冻煮文蛤肉
Frozen Confection Permit冰冻甜点许可证
frozen goat without skin冻去皮山羊肉
Frozen - thawed embryo冻融胚胎
frozen earth exploration冻土勘探
frozen food display case冷冻食品展示柜
frozen food storage room冷冻食品库
frozen baby corn cobs.冷冻玉米芯。
frozen roe deer fore leg冻狍子前腿