sinceconj.因为；既然；自从prep.自从adv.此后since the mid-Ming Dynasty明中叶以来Since then begon a second.重那一秒开始.Since the spring festival.从春节到现在。Since Tang - Song Dynasties唐宋以来since Ming and Qing dynasties明清以来Since your honorable presence自奉清尘since the day before yesterday自从前天到现在Since summer first was leavy.哪一个男子不负心？Since summer was first leavy.哪一个男子不负心？Since we're both being blunt.海军指挥学院