imperceptiblyKK [ˏɪmpɚˋsɛptɪbli] /ˌɪmpɚˈsɛptɪbli/发音副词1难以察觉地、微乎其微地The road rose almost imperceptibly toward the top of the hill.那条路以几乎难以察觉的幅度往山顶上升。2不知不觉地、悄悄地Her attitude toward the job changed imperceptibly over the years.这些年来,她对这份工作的态度不知不觉地改变了。用这个字练口说→