Seromucus
血清粘液
🗣️ 情景例句
Hmmm.
嗯。
When it started raining, I was reading books.
当开始下雨的时候，我再看书。
Without something of this kind, searching for intelligences on other planets
没有这种手段，要想寻觅其他星球上的智力生命，