umbrellan.伞;雨伞;庇护
umbrella ring伞环
umbrella leaf山荷叶
umbrella shed伞形货棚
umbrella core伞状型芯
umbrella vent伞形通风筒
umbrella roof(油罐)伞形顶
umbrella arch隧道护拱
umbrella ribs伞骨
umbrella pine日本金松
umbrella disk伞盘