/ˈsʌbstəns ||; ˈsʌbstəns/noun1 [C] a solid or liquid material 物质: poisonous substances 有毒物质The cloth is coated in a new waterproof substance. 这种布料涂有一层新的防水物质。
2 [U] importance, value or truth 重要性；价值；事实: The commissioner's report gives substance to these allegations. 专员的报告为这些说法提供实质性内容。
3 [U] the most important or main part of sth 要点；主旨: What was the substance of his argument? 他论点的要旨是什么？