buoyancy theory

例句：

1. 1. The buoyancy theory explains why objects float in water.
   浮力理论解释了物体为何能在水上漂浮。
2. 2.The buoyancy theory is crucial for understanding the behavior of marine organisms.
   浮力理论对于理解海洋生物的行为至关重要。
3. 3. The buoyancy theory has been tested and validated through numerous experiments.
   浮力理论通过大量的实验得到了验证和证实。