since的中文意思、音标与词形变化

prep. 自...以后, 自...以来 adv. 自那时以后 conj. 既然, 自...以后, 自...以来

adv. From a definite past time until now; as, he went a month ago, and I have not seen him since. adv. In the time past, counting backward from the present; before this or now; ago. adv. When or that. prep. From the time of; in or during the time subsequent to; subsequently to; after; -- usually with a past event or time for the object. conj. Seeing that; because; considering; -- formerly followed by that.