如果你觉得他的答案是对的，就可以为它加一票。
答案看起来是这样的：就因为八月底是阿拉斯加北部的北极熊游向北方的海冰的特定时段，文中这只母熊也正是这样做的。
The answer seems to be that, simply, late August is the period when polar bears in northern Alaska head north on to the sea ice, and that is what she was doing.
每次我把这些数字加起，就会得到一个不同的答案。
她每次加起这些数字时，总是得出不同答案。
Every time she added those figures up she got a different answer.
当加的是标量时，比如5加，答案是9，是唯一的。
When you add scalars, for instance, 4 five and four then there is only one answer, that is nine.
在下面两组短句中，加标点符号和不加标点符号意思有什么区别？我明天和大家对答案。
In the following pair of short sentences, do you see the difference in meaning with or without the punctuation marks? I will compare notes tomorrow.
在下面两组短句中，加标点符号和不加标点符号意思有什么区别？我明天和大家对答案。
In the following pair of short sentences, do you see the difference in meaning with or without the punctuation marks? I will compare notes tomorrow.
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