解释:在中药中,以草本植物为主的药材占据重要地位,体现了草本植物的药用价值。
The most successful societies in the world are those that have been able to combine a strong state with the rule of law and democratic accountability.
对物质拓扑相的研究证明了理论物理学在预测和解释新物质状态方面的力量。