释义 |
石墨 shí mò ★☆☆☆☆n.名词⁰·⁰⁰⁰⁹ᴾᵃ¹¹⁴⁷³ 基本例句 graphiteleadplumbagopot leadblack leadmineral carbonmineral blackplumbagineblackleadpotlead 慢化剂一种物质,如水或石墨在核反应堆中用来减缓中子运动速度和提高裂变可能性的物质A substance, such as water or graphite, that is used in a nuclear reactor to decrease the speed of fast neutrons and increase the likelihood of fission. 石墨常被用来做成铅笔。Graphite is used in making lead pencils. 石墨是一种软而黑的物质。Graphite is a soft black substance. |