del couple sets 删除集
I even let it sit for 48 hours after stringing, which usually stops rapid tension loss after a couple sets for poly.
我甚至在穿线后放置48小时,通常这可以阻止合成线在几盘比赛后快速掉磅。
Course assistants returned to the course for a couple of hours a week, to help you, one on one with office hours, with problem sets.
课程助理一周回到课程几个小时,来帮助你们,在上机的时候一对一帮助你们完成这些问题集。
The Low Pay Commission, the quango which sets the floor wage, contests this notion, but has been raising it at a more moderate pace in the past couple of years.
设定最低工资的半官方机构低收入委员会对此观点提出质疑,但是在过去的几年里讲最低工资的上涨幅度放慢了一些。
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