柯林斯詞典chemical reaction 1. N a process that involves changes in the structure and energy content of atoms, molecules, or ions but not their nuclei 化學(xué)反應(yīng)→compare nuclear reaction 返回 chemical reaction劍橋詞典a process in which the structure of atoms or molecules that make up a substance are changed 化學(xué)反應(yīng) 返回 chemical reaction