Even if nobody visited me today, today is still very important, because today is the only wealth we have.
即使今天没有人来拜访我,今天仍然很重要,因为今天是我们唯一拥有的财富。
In fact, most birds have a very poor sense of smell, so in most cases they are unable to even notice the smell of humans on baby birds.
事实上,大多数鸟类的嗅觉都很差,所以在大多数情况下,它们甚至不能注意到人类在幼鸟身上留下的气味。
Some seeds may germinate in three days even if they have been exposed to very low temperatures for a long time.
即使长时间暴露在极低的温度下,有些种子也能在三天内发芽。
And,if you are a very good person, I would even say that you have a heart of gold.
VOA: special.2010.07.11
This is very easy molecule because we know exactly where to put them without even having to think, we only have one option, and we'll make a triple bond between the carbon and the nitrogen.
这个分子非常简单,因为我们知道应该把它们放在哪里,甚至不用去想,我们只有一个选择,我们将在碳与氮之间形成一个三键。
Because we know as we go to infinity, even though the density gets smaller and smaller and smaller, we still have electron density very far away from the nucleus.
因为我们知道即使到了无穷远处,尽管电子密度会变得非常非常非常小,但我们仍然有一定的电子密度,无论离原子核多远。
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