imperceptibly
副词
UK/ˌɪm.pəˈsep.tə.bli/
US/ˌɪm.pɚˈsep.tə.bli/
定义 imperceptibly 副词
in a manner that is so slight or gradual as to be almost impossible to perceive or feel.
難以察覺地；微乎其微地
As time passed, the days grew shorter, almost imperceptibly.
隨著時間的推移，白天幾乎難以察覺地變短了。
His accent changed almost imperceptibly over the years.
多年來，他的口音幾乎難以察覺地改變了。
She quietly, almost imperceptibly, slid the envelope across the table.
她悄悄地、幾乎難以察覺地將信封滑過桌子。