Triethylene
三乙烯
🗣️ 情景例句
Then why are you and Daddy
那为什么你和爸爸
All time is no time when it is past.
光阴一去不复返。
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。