Calcium metaplunbate
[机] 偏高铅酸钙
🧩 词语组成解析
🗣️ 情景例句
I expect that I will be back on Sunday.
我预计星期日回来。
Not a chance!
门儿都没有！
But how would we find such a planet? At present, there is no telescope in existence that is capable of detecting the presence of life.
但是，我们如何才能找到这样一颗行星呢？现在，没有一台现存的望远镜可以发现生命的存在。