then的反義詞是:priorI have already made a prior appointment with my dentist.我之前就已經(jīng)跟我的牙醫(yī)預(yù)約好了。

Supporting one's elderly parents is prior to all others for an adult.贍養(yǎng)自己年老的父母是成年人最重要的責(zé)任。The police found out that the thief had priors.警察查出這個(gè)小偷有前科。The course required no prior knowledge of Korean.這門課程不需要事先學(xué)過韓語。