音標(biāo)發(fā)音英式音標(biāo) [?prep ?ta?m]美式音標(biāo) [?prep ?ta?m]英式發(fā)音 美式發(fā)音 基本解釋（教師的）備課時(shí)間。同根派生 prep time相關(guān)詞英英字典劍橋英英字典 a period when teachers are at school but do not teach, and are therefore able to prepare for later classesprep time劍橋字典prep time柯林斯字典