| 释义 |
im·per·cept·ibleBrE /ˌɪmpəˈseptəbl/ NAmE /ˌɪmpərˈseptəbl/ adjective (formal ) very small and therefore unable to be seen or felt （小得）无法察觉的，感觉不到的◆ imperceptible changes in temperature 难以觉察的气温变化OPP perceptible▸ im·per·cept·iblyBrE /ˌɪmpəˈseptəbli/ NAmE /ˌɪmpərˈseptəbli/ adverb |