#獲得、吸收、或過濾氣體
#保護免受過多液體危害
#Capture, absorb, or filter gases
#Protect from excess liquids
葉片構造在水中保留空氣層 (Leaf structure retains air layer underwater)
水生蕨類槐葉萍葉表的疏水性毛茸之尖端帶有親水性，使沉在水中時可保留空氣層
(The leaf structure of the Salvinia water fern retains a layer of air when submerged in water due to water-resistant hairs that possess water-attracting tips.)
