Stannosis
锡尘肺
🗣️ 情景例句
Hi.
嗨。
What is she doing now?
她现在干些什么呢？
This is a major achievement because, in relative terms, planets are very small and old not emit light.
这是一个重要的成就，因为相对来说，行星很小，而且也不发光。