wide-mouthed flat-bottom extraction flask

例句：

1. 1.This wide-mouthed flask is perfect for mixing and dispensing liquids.
   这个宽口的提取瓶非常适合混合和分配液体。
2. 2. The lab technician carefully filled the wide-mouthed flask with chemicals.
   实验室技术员小心翼翼地用化学物质填充宽口的提取瓶。
3. 3. The scientist used a wide-mouthed flask to collect samples from the soil.
   科学家使用宽口的提取瓶从土壤中收集样本。