holophrase
noun [ C ] linguistics specialized uk/ˈhɒl.ə.freɪz/ us/ˈhɑː.lə.freɪz/
表句词，单词句（尤指幼儿学说话时用单个的词来表达复杂的思想）
a single word that expresses a complex idea, used mainly by young children when they are learning to talk
A holophrase takes the place of what would be a full sentence in an older person's speech. 老人说话的时候，出现了由单个词代替完整句子的情况。