twin ties

基本解释

A rail joint on twin ties.
軌道結點分段連接。
By Thursday, officials said the state's first confirmed case of swine flu was a person with ties to Rocori Middle School in Cold Spring, about 60 miles northwest of the Twin Cities.
在周四時，該州官員說証實第一個感染豬流感是一個與冷泉Rocori中學有關的人，在西北約60英裡姊妹城市。
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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.
研究人員通過分析這些數據發現，不論哪種類型的雙胞胎，受到環境傷害的麪部皮膚與吸菸、年齡增長、躰重超標有很大關系。

She describes the hapless Islamist radicals who were tried for attempting in February 1993 to topple one of the twin towers into the other as mere pawns used by far more sophisticated operatives with ties to Iraq.
CENTERFORSECURITYPOLICY: The right questions
ANKARA, Turkey (AP) — Turkey's prime minister vowed Sunday his country won't be drawn into Syria's civil war, despite twin car bombings the government believes were carried out by a group of Turks with close ties to pro-government groups in Syria.
NPR: Turkey Says It Won't Be Drawn Into Syria Conflict