Warning: file_put_contents(): Only 0 of 6700 bytes written, possibly out of free disk space in /home/www/wwwroot/zidian/69228.com/index.php on line 55 air bladder英英字典_air bladder剑桥英语解释_air bladder柯林斯英文解释_魏碑心思朗文词典
1. N an air-filled sac, lying above the alimentary canal in bony fishes, that regulates buoyancy at different depths by a variation in the pressure of the air 魚鰾 (Also called swim bladder)[ichthyol]