单词：redoubling
音标：[rɪ'dʌblɪŋ] ；
v. 进一步加强, 大大增加( redouble的现在分词 ); 再加倍, 翻两番
v double in magnitude, extent, or intensity
v double again
v make twice as great or intense
v double again
v make twice as great or intense