n.[動(dòng)]氣胞囊;[植]呼吸根
Pneumatophore (aerophore;breathing root) A specialized negatively geotropic root produced by certain aquatic vascular plants(especially trees such as mangroves , e.g. 呼吸根:指由某種水生維管植物產(chǎn)生的特化的負(fù)向地性根(尤其如紅樹,如海桑屬),在土壤之上生長良好。
pneumatophor 救生氧氣袋