相关单词近义词 slightly 些微地, gradually 逐渐地, invisibly 看不见地, subtly 敏锐地, faintly 微弱地, bit by bit 一点点地, indiscernibly 难识别地, slowly 缓慢地, lightly 轻轻地, a little 一点, unnoticeably unnoticeable...反义词perceptibly, 可知觉的程度...临近词imp, improv 返回 imperceptibly