1. Representatives of each of these countries attended the meeting in Geneva, together with Egypt, Nigeria, and Niger. 这些国家的代表与埃及、尼日利亚和尼日尔一起出席了在日内瓦举行的会议。
2. We were walking along the bank of the Niger river, searching for the tracks of a hippopotamus that was ravaging the corn on Karim's farm. 我们沿着尼日尔河岸走着，寻找一头河马的足迹，它毁坏克莱姆村农场农作物。
3. While height increased in Uganda and Niger during the early 20th century, the trend has reversed in recent years, with height decreasing among 18-year-olds. 尽管20世纪初乌干达和尼日尔人的身高有所增加，最近几年这一趋势发生了逆转，18岁的人身高有所下降。
4. Most of lactases used in industry production come from kluyveromyces, aspergillus niger and aspergillus oryzae. 工业生产中使用的大多数乳糖酶来自克鲁维酵母，黑曲霉和米曲霉。
5. Results indicated that 4 monoclonal antibodies all have cross-reactions with Aspergillus terreus and Aspergillus niger. 结果显示4株单抗与土曲霉、黑曲霉均有交叉反应。
