fluid produced by the male

例句：

1. 1. The fluidity of the water is measured by its viscosity.
   水的流动性通过其黏度来测量。
2. 2. The chemical properties of the fluid are crucial for understanding its behavior.
   这种流体的化学性质对于理解其行为至关重要。
3. 3. The engineer had to adjust the flow rate of the fluid in order to prevent it from freezing.
   工程师不得不调整流体的流量以防止它结冰。