Warning: file_put_contents(): Only 0 of 5214 bytes written, possibly out of free disk space in /www/wwwroot/ppbbu/cp667.com/index.php on line 55 equal-length是什么意思，equal-length的翻译，equal-length音标、读音、用法和例句_淳朴汉英词典
Either of two times of the year when the sun crosses the plane of the earth's equator and day and night are of equal length. 太阳每年通过天赤道的两个时刻中的任何一个时刻，在此时各地的昼夜时间是等长的。