“地核”造句
2024年06月29日 14:32:43
按一般标准衡量,
地核是由相当致密的物质组成的.
Judge by ordinary standards, the core is made of rather dense stuff.
地球的中心是
地核,地核的周围是地幔.
The earth has a core and a mantle around it.
一般认为
地核至少是外核由镍和铁构成.
The earth's core, at least the outer one is believed to consist of nickel and iron.