详细解释:a. 没有被感觉到的
例句：
The peoples of Asia found their opportunity in the war just passed to throw off the shackles of colonialism, and now see the dawn of new opportunity: an heretofore unfelt dignity and the self-respect of political freedom.亚洲人民在战争中找到了机会，得以摆脱殖民主义的枷锁，而且现在有更多的新的契机摆在他们面前：政治独立带来的以前从未感受过的尊严和自重。