短语词组短语tergal suture [昆]蜕裂线tergal detail 脊背的tergal machine 背板机tergal muscle 背肌le tergal 毛的确良tergal position 背板位置tergal valves [昆]尾须le tergal detail 毛的确良tergal longitudinal muscle 背纵肌 返回 tergal