undergirded
v. 在底部加固( undergird的过去式 ); 从底层支撑; 加强; 支持
释义与例句
v.
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1.
simple past and past participle of undergird
2007-05-31, Central Intelligence Agency, The World Factbook -- United States, The rise in GDP in 2004-06 was undergirded by substantial gains in labor productivity.