In examinations the foolish ask questions that the wise cannot answer.
I'm not afraid to take a stand. Everybody come take my hand. We'll walk this road together, through the storm. Whatever weather, cold or warm.
机会不会自己发生;你要创造它们。
化学是在分子水平上操纵物质的艺术,而催化是其最强大的画笔。