Warning: file_put_contents(/www/wwwroot/ppbbu/80125.cn/cache/c74dff0f3427987e1c51868ad46a4914.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/80125.cn/index.php on line 58 atomic theory英英字典_atomic theory剑桥英语解释_atomic theory柯林斯英文解释_食材鋪反向词典
1. N any theory in which matter is regarded as consisting of atoms, esp that proposed by John Dalton postulating that elements are composed of atoms that can combine in definite proportions to form compounds 原子論