paw paw formation
常见例句
- Resembling a huge paw print, the Cat's Paw Nebula is a star-formation region, with stars of close to 10 solar masses produced there in the past several million years.
猫掌星云看起来就像一个巨大的爪印，它是恒星形成区域，近几百万年间在猫掌星云里诞生的恒星具有近10个太阳的质量。 返回 paw paw formation