首页imperceptibleimperceptible英英释意

imperceptible

英 [ɪmpə'septɪb(ə)l] 美[,ɪmpɚ'sɛptəbl]

1. impossible or difficult to perceive by the mind or senses;: "an imperceptible drop in temperature"; "an imperceptible nod"; "color is unperceivable to the touch"