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关注：1
2013-05-23 12:21
求翻译：有一些科学技术发明是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
有一些科学技术发明
问题补充： |
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2013-05-23 12:21:38
Some scientific and technological inventions
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2013-05-23 12:23:18
There are some scientific and technological inventions
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2013-05-23 12:24:58
Has some science and technology invention
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2013-05-23 12:26:38
Some science technology invention
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2013-05-23 12:28:18
there are some scientific and technological inventions;
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