详细解释:a. 不构成音节的
英语解释：
形容词 unsyllabic:
not forming a syllable or the nucleus of a syllable; consisting of a consonant sound accompanied in the same syllable by a vowel sound or consisting of a vowel sound dominated by other vowel sounds in a syllable (as the second vowel in a falling diphthong)同义词：nonsyllabic