学个词 Learn A Word: voluntarily 自愿地

　　今天我们要学的词是 voluntarily. Voluntarily 副词，自愿地。The International Organization for Migrants says that more people are voluntarily returning to their home countries. 国际移民组织说，越来越多的人开始自愿返回自己的祖国。A high-tech diagnostic company voluntarily withdrew its Zika virus blood test from FDA approval. 一家高科技诊断公司自愿撤回递交美国食品药物管理局的寨卡病毒血液检测批准申请。好的，我们今天学习的词是 voluntarily, voluntarily, voluntarily...