Various organizations such as CCOF and Oregon Tilth are registered with the USDA and do the job of certifying farms and their products as organic.
CCOF 和 Oregon Tilth 等各种组织已在美国农业部注册，并负责对农场及其产品进行有机认证。
英汉网英语在线翻译词典收录了3779314条英语词汇在线翻译词条，基本涵盖了全部常用英语词汇的中英文双语翻译及用法，是英语学习的有利工具。