pre-verbal
Longman Dictionary of Contemporary English 5++LDOCE 5++pre-verb·al /ˌpriː ˈvɜːbəl◂ $ -ɜːr-/ adjective [only before noun] technical SLhappening before a child has learned to speak 〔幼儿〕获得语言能力前的，开口说话前的 the pre-verbal stages 开口说话前的阶段
Examples from the Corpus
pre-verbal• Some constructs may reflect pre-verbal bases of organization which can not be accounted for by rational explanation.• Their pointing gestures and vocalisations will be video-recorded to allow detailed analyses to be carried out on the characteristics of pre-verbal communication.• An early start is good as parents can help with the programmes in the home, even at a pre-verbal stage.pre-verb·al adjectiveChineseSyllable
to Corpus before speak a happening has learned child
pre-verbal
pre-verb‧al /ˌpriː ˈvɜːbəl◂ $ -ɜːr-/
adjective [only before noun] technical
happening before a child has learned to speak:
the pre-verbal stages
pre-verb‧al /ˌpriː ˈvɜːbəl◂ $ -ɜːr-/
adjective [only before noun] technicalhappening before a child has learned to speak: