A rail joint on twin ties.

轨道结点分段连接。

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From these data, the researchers noted strong ties, outside of twin status, between smoking, older age, and being overweight, and having facial skin with evidence of environmental damage.

研究人员通过分析这些数据发现，不论哪种类型的双胞胎，受到环境伤害的面部皮肤与吸烟、年龄增长、体重超标有很大关系。

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Secretary of State Condoleezza Rice said the twin attacks, which killed 229 people, destroyed buildings but not the ties that bind the United States, Kenya and Tanzania.

国务卿赖斯说，这两起爆炸袭击造成229人丧生，又炸毁了建筑物，但是没能破坏美国、肯尼亚和坦桑尼亚之间的关系。

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