Warning: file_put_contents(): Only 0 of 7358 bytes written, possibly out of free disk space in /www/wwwroot/ndsq.cn/index.php on line 55 wave of infinitely small amplitude是什么意思,wave of infinitely small amplitude的翻译,wave of infinitely small amplitude音标、读音、用法和例句_开心英文字典_柠咚词