Warning: file_put_contents(/www/wwwroot/zidian/biehu.cn/cache/f3865b48428799ec30d13a63d7b47dbe.txt): failed to open stream: No space left on device in /www/wwwroot/zidian/biehu.cn/index.php on line 58 bipolar derivation是什么意思，bipolar derivation的翻译，bipolar derivation音标、读音、用法和例句_甲百汇小鸡词典