collect specimells

例句：

1. 1.The students are collecting their homework for the next class.
   学生们正在为下一节课收集作业。
2. 2.She collected all the coins from the ground.
   她从地上收集了所有的硬币。
3. 3.The team is collecting donations to support the needy.
   团队正在收集捐款以支持需要帮助的人。