-
The magnetic core of the Earth is moving, literally changing directions inside the Earth.
地球核心的磁场正在移动，不加夸张地说，地球内部的方向在发生变化。
youdao
-
Internally the earth consists of two parts, a core and a mantle.
地球的内部由两部分组成：地核和地幔。
youdao
-
Internally the earth consists of two parts, a core and a mantle.
地球的内部由两部分组成：地核和地幔。
youdao