?第二次预选
... run-off pipe 排水管... run-off primary 第二次预选... run-off riser 溢放冒口...
In Arkansas, centrist Democratic Senator Blanche Lincoln failed to win a majority of votes in the primary against a left-leaning challenger, and is headed to a June run-off for her party's nomination.
VOA : standard.2010.05.19
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