求翻译：随着生活水平的提高，人们对各种食品和饮料的卫生要求也日益提高，而茶叶作为世界三大饮料之一，几乎成了人们在日常生活中的必需品。由于茶叶在种植及制作过程中很容易造成铅的污染，而铅是一种高蓄积性、多亲和性的生理和神经毒物，几乎对人体所有重要的器官和系统都会产生明显的毒害，特别对孕妇、婴儿和儿童的健康危害较大，因此检测以及控制茶叶中的铅含量是十分必要的。是什么意思？

With the improvement of living standards, health requirements of a variety of foods and beverages increasing, while the tea as one of the world's three major beverage almost become a necessity in daily life. As tea is likely to result in the cultivation and production process of lead contamination,