若干

例句：

1. 1. There are many students in the classroom.
   教室里有许多学生。
2. 2. We have several books on our shelves.
   我们的书架上有好几本书。
3. 3.There are a number of interesting places to visit in this area.
   这个地区有许多有趣的地方可以参观。