collect specimen

例句：

1. 1. They collected all the information from the library.
   他们从图书馆收集了所有信息。
2. 2.The scientists are collecting samples for their research.
   科学家们正在收集样本进行研究。
3. 3. The team is collecting data to analyze the situation.
   团队正在收集数据以分析情况。