trickle tube

例句：

1. 1. The scientist used a pipette to measure the sample.
   科学家使用滴管来测量样品。
2. 2.The doctor gave her a small pipette of medicine.
   医生给她一个小的滴管剂量的药。
3. 3. She carefully filled the pipette with water and tested it for accuracy.
   她小心地用滴管装满水，测试其准确性。