imperceptibly
/ˌɪmpərˈseptɪbli/
American
- adv. 难以察觉地, 微妙地
- Definition
- adv. in a way that is so slight or gradual it cannot be noticed
- Example
- The room grew imperceptibly darker as the sun slowly set outside.
- 随着外面的太阳慢慢落下，房间不知不觉地暗了下来。