原声例句
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Once you got a = 2, you can go back and realize here that f = 4, so you got really 4 Newtons.
一旦你算出 a = 2,你可以回到上面来,求出 f = 4,所以实际上这个力有 4 牛
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$firstVoiceSent
- 来自原声例句