锤式缩绒机

This is Scientific Americans 60-Second Science. Im Karen Hopkin. This will just take a minute. Those of you following the World Cup know that at this stage there can be no more draws. Ties are broken during overtime play, or in a penalty kick shootou

发表于:2018-12-24 / 阅读(102) / 评论(0) 分类 Scientific American(六)月

Soccer penalty kickers wearing motion sensors revealed that subtle body cues can give away which side of the net they're shooting for Those of you following the World Cup know that at this stage there can be no more draws. Ties are broken during over

发表于:2019-01-02 / 阅读(135) / 评论(0) 分类 60秒科学

科学家探究罚点球的学问 Deadlocked football matches often end in penalty kicks, most recently in Sundays World Cup match between Costa Rica and Greece With penalty kicks playing such a key role in the competition, a British scientist advise

发表于:2019-01-19 / 阅读(90) / 评论(0) 分类 VOA双语新闻 2014年7月

She sat down in the front row of the midtown classroom. There was one man sitting right behind her. Other students were scattered throughout the room. She took out her notebook. The teacher started talking. It was a real estate class about contracts.

发表于:2019-02-15 / 阅读(91) / 评论(0) 分类 英文短篇故事(纽约)
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