○○○ atom ⪢⪢
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○○○ axis ⪢⪢
We are not counting the rotation around the axis joining the two atoms.
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○○○ bond ⪢⪢
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○○○ consist ⪢⪢
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Pillow English Listening

○○○ degrees of freedom ⪢⪢
We say that this system contains three different degrees of freedom.
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○○○ inertia ⪢⪢
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○○○ kinetic ⪢⪢
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○○○ molecule ⪢⪢
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○○○ moment ⪢⪢
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○○○ motion ⪢⪢
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• Now let's consider a system consisting of one molecule containing two atoms.
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○○○ nucleus ⪢⪢
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○○○ portion ⪢⪢
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○○○ remainder ⪢⪢
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○○○ suppose ⪢⪢
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○○○ therefore ⪢⪢
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○○○ thermal ⪢⪢
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○○○ thermal ⪢⪢
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