Patriotism is your conviction that this country is superior to all other countries because you were born in it.
所谓爱国心,是指因你生为这个国家的国民,相信这个国家比其他一切的国家高贵优越。
Food security is a global issue that requires local action.
理解嗅觉系统的工作原理不仅仅是理解嗅觉,还包括理解大脑如何处理信息。