A 1-meter-wide inner non-magnetic steel sphere substitutes for the solid core. Both can be rotated independently.

一个直径1米的内部非磁性钢球替代了固体内核，两个球体都能独立旋转。

Trump still retains a very solid core of republican support, which gives him a power within the party.

特朗普仍然有着共和党稳固的支持，这让他在党内拥有较大的影响。

He noted that gas giants go through this process before the solid core is large enough to start layering gases.

他指出，气体巨星在固体核心大到足以开始分层气体之前就经历了这个过程。

Heat, originating from the formation of our solar system, drives the rotation of liquid metal around the solid inner core.

太阳系形成过程中产生的热量驱动液态金属围绕固体内核旋转。

We did some digging, pun-intended, and found that just the solid iron core of our planet would be worth 4.8 sextillion dollars!

我们做了一些挖掘， 双关语，发现仅我们星球的实心铁芯就价值 4.8 六十亿美元！

And I knew that even though argument was about getting into someone else's shoes and empathizing, I needed to have a solid core first.

而且我知道，即使争论是为了换位思考和同情，我首先需要有一个坚实的核心。

By getting all the iron down to the centre of the planet you had a solid core that eventually drove the protective magnetic field that surrounds our planet.

地心铁的聚集产生固态内核，最终地磁场像盾一样环绕着地球。

The internal structure of the Moon is roughly similar to the Earth: it has a solid, iron inner core; a liquid outer core, a thick mantle, and a crust of lighter material on top.

它有一个实心的铁质内核、一个液态的外核、一层厚厚的地幔和一层较轻物质组成的外壳。