采棉机

例句：

1. 1. The cotton harvester is a machine used to pick up and transport cotton from the field.
   棉花收割机是一种用于从田间收集并运输棉花的机器。
2. 2. The cotton harvester has become an essential tool for farmers in the cotton industry.
   棉花收割机已成为棉花工业中农民不可或缺的工具。
3. 3. The cotton harvester has greatly improved the efficiency of cotton picking.
   棉花收割机大大提高了棉花采摘的效率。