glass sampling bulb

例句：

1. 1. The scientist used aglass sampling bulb to collect samples from theriver.
   科学家使用一个玻璃采样管从河里采集样本。
2. 2. The lab technician carefully placedthe glass sampling bulb into the test tube.
   实验室技术员小心翼翼地将玻璃采样管放入试管中。
3. 3. The researcher used the glasssampling bulb to analyze the chemical composition ofthe soil.
   研究员使用玻璃采样管分析土壤的化学成分。