dindexdeltiology./del-tee-ol-uh-jee/US // ˌdɛl tiˈɒl ə dʒi //UK // (ˌdɛltɪˈɒlədʒɪ) //脱落学,脱氧核糖核酸,脱落物学,脱口秀Definitionsn.noun · 名词1.›the hobby of collecting post cards.Level 4More words in d →