Warning: file_put_contents(/www/wwwroot/ppbbu/laei.cn/cache/b77917bd6ddfd4be7f92ffd20d553c70.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/laei.cn/index.php on line 58 sand dollar英英字典_sand dollar剑桥英语解释_sand dollar柯林斯英文解释_按摩法牛津词典
1. N any of various flattened disclike echinoderms of the order Clypeasteroida, of shallow North American coastal waters: class Echinoidea (sea urchins) 海膽