Flavanoid
黄烷类
🗣️ 情景例句
Is he OK?
他还好吗？
I did the best I could.
我尽力了！
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。