adj. globular ; spherulitic
misc. pelletiod ; sphaerolitic
陨石进一步细分为两类：球粒状陨石和无球粒陨石。
Aeroliths are further subdivided into two classes: chondrites and achondrites.
研究者通过研究球粒状陨石而得出太阳系的年龄。
It was the study of chondrites that allowed researchers to work out how old the solar system is.
（真题）铁矿、陨铁石、球粒状陨石及无球粒陨石在可观测到的陨石中绝不多见。
Irons, stony-irons, chondrite, and achondrites are by no means equally abundant among observed meteorites.
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