你可以在这里填上你的名字。
请在课文末尾的空白处填上适当的单词或短语。
Please fill in the blank at the end of the text with a proper word or phrase.
每亩梯田我们得填上成千上万筐好土。
We had to fill up each mu of terraced fields with thousands of basketfuls of good soil.
So, in order to fill our octet, what we do is put two on the nitrogen and two on the carbon.
因此,为了填满我们的“八隅体“,我们需要将两个放到氮上,将另外两个放到碳上。
So what we end up with in terms of our bonding electrons is going to be 6 bonding electrons.
因此最终我们需要六个成键电子,那么我们可以来把它们填上。
But imagine doing crossword puzzles every day for 10 years, 1,000 years, a million years, a billion years, a trillion years.
但想象往后每天做填字游戏,玩上十年,一千年以至永远。
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