Warning: file_put_contents(/www/wwwroot/ppbbu/80125.cn/cache/50e2b4793a727e6601b337bd4b596954.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/80125.cn/index.php on line 58 planetesimal hypothesis英英字典_planetesimal hypothesis剑桥英语解释_planetesimal hypothesis柯林斯英文解释_食材铺反向词典
1. N the discredited theory that the close passage of a star to the sun caused many small bodies (planetesimals) to be drawn from the sun, eventually coalescing to form the planets 星子假说