Warning: file_put_contents(): Only 0 of 6159 bytes written, possibly out of free disk space in /home/www/wwwroot/zidian/201990.com/index.php on line 55 second-string英英字典_second-string剑桥英语解释_second-string柯林斯英文解释_耀久九英英词典
1. N-SING If you describe a person or thing as someone's second string, you mean that they are only used if another person or thing is not available. 替补[oft N n]