例句與造句

1. The Earth is also a mixed iron-silicate planet, although with a lower percentage of iron than Mercury.
2. Notably, both planets have magnetic fields, unlike the silicate planets in the inner Solar System ( Venus, Mars, and the Moon ).
3. There was more oxygen than carbon in the Solar System, so solid planetary surfaces ( as well as primitive meteorites ) are largely made up of oxides like SiO 2 ( silicates, resulting in silicate planets ).
4. The closest object in our Solar System to an iron planet is Mercury, which is a mixed iron-silicate planet with a high density of 5.4 g / cm 3, compared to 7.9 g / cm 3 for pure iron at standard temperature and pressure.
5. It's difficult to find silicate planets in a sentence. 用silicate planets造句挺難的