1. Pinocytotic activity is an important process in cellular uptake of nutrients and fluids.
（细胞贪食性是细胞吸收营养和液体的重要过程。）
2. The pinocytotic process allows cells to internalize extracellular material for various physiological functions.
（细胞贪食作用允许细胞吞噬外源性物质，以进行各种生理功能。）