One is food security， another is climate change and the third is the threat of a worldwide outbreak of influenza. 其一是食品安全问题，另一个是气候变化，第三是流行感冒全球性爆发的威胁。
#头条创作挑战赛#ONE vs ONESWe can use ONE to replace a countable noun in the singular and ONES to replace a countable noun in the plural because we
2019年新出版的高一英语必修二单词，人教版高一英语，高中必修二单词朗读unit1。UNESCO abbr. United Nations Educational，Scientific and Cultural Organization 联合国教科文组织。
