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关注：1
2013-05-23 12:21
求翻译：Like some animals.Dolphins use sound to help them find their way around.They also make these sounds totalk to each and to help them find food.We now know they do not use their ears to receive thesesounds.But the lower part of the mouth ,called the jaw.是什么意思？ 待解决
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- 离问题结束还有
Like some animals.Dolphins use sound to help them find their way around.They also make these sounds totalk to each and to help them find food.We now know they do not use their ears to receive thesesounds.But the lower part of the mouth ,called the jaw.
问题补充： |
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