lab assistant

例句：

1. 1.She is a lab assistant at the university.
   她在大学担任实验室助手。
2. 2. The lab assistant was responsible for preparing the samples.
   实验室助手负责准备样本。
3. 3. The lab assistant helped me with my research project.
   实验室助手帮助我完成了研究项目。