發表於 2010-6-21 22:37
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First law: Every body remains in a state of rest or uniform motion unless it is acted upon by an external unbalanced force.
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回復 |
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你好嬲呀?
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i know nothing~|
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My name is Meow. Meow Meow~~~
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First law: Every body remains in a state of rest or uniform motion unless it is acted upon by an external unbalanced force.
|
|
|
|
|
|
你好嬲呀?
|
|
|
|
| |
|
|
| |
|
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My name is Meow. Meow Meow~~~
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