热赤道

例句：

1. 1. The Earth's equator is the hottest part of the planet.
   地球的赤道是地球上最热的部分。
2. 2. The tropics are a region where the weather is hot and humid.
   热带地区天气炎热且多雨。
3. 3. The equator is the point on the Earth's surface where the sun's rays reach theirmaximum intensity.
   赤道是太阳光线到达最大强度的地球表面点。