Fluid Volume Deficit液体容量缺乏 Family Violence Department家庭暴力 Forward Video Disc前锋视频光盘 Floating Vehicle Data (position location of moving vehicle for purposes of measuring traffic flow)漂浮车的位置数据(位置测量车辆为目的的交通流) Forward Versatile Disk前锋多才多艺的磁盘 Fallen Vampiric Devil倒下的吸血鬼的魔鬼 fibrovascular tissue on disk视盘纤维血管组织