Tetrahydroxyflavanol
四羟基黄酮醇
🗣️ 情景例句
What do you call this? A tow year old child could have done a better job!
你是怎么回事？就连两岁的孩子都可以比这做得更好！
In time of peace prepare for war.
居安思危。
so vast is the number of planets,
但是行星的数目是那么庞大，