The story of chemistry is the story of humanity’s quest to understand the world.
天地和宇宙虽然广阔,但在更大的尺度上也不过是一小部分。
Never to suffer would never to have been blessed.
I'm not perfect, but I'm limited edition.
所有老年人共享的大秘密是,你在七八十年里真的没有改变。你的身体改变了,但你一点也没变。当然,这会引起很大的困惑。