be tied up with
英
美
- be v.有；在；是；到达；拜访
- tied v.系；打结；约束vbl.系；打结；约束
- up adv.向上；起来；上升；往上prep.向上adj.向上的；上行的n.上升v.上升；增加
- with prep.用；随着；包括；和...一起
- The boy is fond of acting up with him.
这男孩喜欢和他一同捣蛋。
- Yeast can be used in making beer and bread.
酵母可用于酿啤酒和发面包。
- Large scale studies should be collaborative.
大规模的研究应该是协作的。
- She worked in with them as much as possible.
她尽可能地与他们协作。
