tropic tides

例句：

1. 1. The tropic tides are responsible for the seasonal migration of birds and fish.
   热带潮汐对鸟类和鱼类的季节性迁徙起到了作用。
2. 2.The scientists studied the tropic tides to understand how they affect marine life.
   科学家们研究了热带潮汐，以了解它们如何影响海洋生物。
3. 3. The tropic tides can cause significant changes in the ocean's temperature and salinity.
   热带潮汐可以导致海洋温度和盐度的显著变化。