当陷阱阀门关闭的时候，植物在阀门周围的特殊角质层上分泌粘液，形成不透水密封垫。
When the trap door shuts, the plant excretes mucilage next to a special cuticle around the door, creating a watertight seal.
当陷阱阀门关闭的时候，植物在阀门周围的特殊角质层上分泌粘液，形成不透水密封垫。
When the trap door shuts, the plant excretes mucilage next to a special cuticle around the door, creating a watertight seal.
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