Warning: file_put_contents(/www/wwwroot/zidian/oumou.cn/cache/1770d9238f9f6f5554bc162205e80067.txt): failed to open stream: No space left on device in /www/wwwroot/zidian/oumou.cn/index.php on line 58 Unio是什么意思，Unio的翻译，Unio音标、读音、用法和例句_欧米惠必应词典
Any of several freshwater bivalve mollusks of the genera Anodonta and Unio,found in the central United States,that burrow in the sand or mud of lakes and streams. 淡水蚌，发现于美国中部的无齿贝属和珠蚌属几种淡水双壳软体动物的一种，在湖和河中的沙中或泥中挖洞。