热核的

例句：

1. 1. The scientists are trying to understand the origins of the hot cores in the sun.
   科学家们正在试图理解太阳中的热核心的起源。
2. 2. The hot core is a region within the Earth's mantle where temperatures are extremely high.
   热核心是地球地幔中的一个区域，温度极高。
3. 3. The hot core is believed to be responsible for the planet's magnetic field.
   热核心被认为是行星磁场的原因。