1. UN stands for the United Nations. UN是联合国的缩写. 来自《简明英汉词典》

2. In the word " unimportant " , " un - " is a prefix. 在单词 unimportant 中un是前缀. 来自《简明英汉词典》

3. The affixes " un - " and " - less " are often used make negative words, such as unhappy or careless. 词缀un - 和 -less 常用来构成否定词, 如unhappy和careless. 来自《简明英汉词典》

4. Under his stewardship, the UN's repute has risen immeas-urably. 在他的管理下，联合国的声望得到了极大提升。 来自柯林斯例句

5. The UN would play a major role in monitoring a ceasefire. 联合国在监督停火方面会发挥重要作用。 来自柯林斯例句