浮囊袋的英文

• pneumatosaccus

• 浮:    float; drift
• 囊:    bag; pocket; sack; purse
• 袋:    bag; sack; pocket; pouch
• 囊袋:    envelope; purse
• 浮囊:    air chamber; basal cyst; flexible floating container; floatation bag; floating bag; flotation bag; pneumatophore; swim bladder