求翻译：Seau于1990年被圣迭戈闪电队选中，在NFL征战20个赛季，12次入选全明星，6次入选赛季最佳阵容。他还曾先后效力于迈阿密海豚和新英格兰爱国者，2009年是他的最后一个赛季。是什么意思？

seau in 1990, San Diego, the Chargers selected campaign 20 seasons in the nfl, the 12-time NBA All-Star, six-time NBA best team of the season. He also has played for the Miami Dolphins and New England Patriots in 2009, his final season.

In 1990, Seau was San Diego lightning selected for the national team, competing in 20 NFL last season, 12, All-Star 6 consecutive season All-Star Team. He has also been in the Miami Dolphins and New England Patriots in 2009, he was the last season.

Seau is selected in 1990 by the San Diego lightning team, goes on an expedition 20 seasons in NFL, 12 times is selected the entire star, 6 selected season best battle formation.He also once successively the potency in the Miami porpoise and the New England patriot, 2009 was his last season.

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