1.evolving a. 进化的,展开的
2.prior a. 更重要的,较早的,在先的
例句：He said that he had no prior knowledge of the meeting.
他说他事先对这次会议的情况一无所知。
3.current a. 流通的,现在的,最近的
例句：He stopped to think about his current situation.
他停下来想了想他目前的状况。
4.compromise n. 妥协,折衷,折衷案,和解
例句：Regarding the salary, no compromise will be considered.
在薪金的问题上是没有商讨余地的。
5.continuously ad. 连接地,不断地
例句：Our foreign trade is continuously expanding.
我们的对外贸易不断发展。
6.substantive a. 表示实在的,有实质的,独立的
7.spontaneous a. 自然的,自发的,未经琢磨的
例句：The eruption of a volcano is spontaneous.
火山爆发是自发的。
1.Facebook said it had over two hundred fifty million active users as of July.
as of到…时候止,直到…
例句：As of last month,the number of those attending th proggram has reached 1,000.
截止到上个月，参加该项目的人数已经达到1,000。
2.Forrester Research says four out of five online adults use social media at least once a month.
four out of five是分数的表达方式，表示五分之四。
3.For couples in long-distance relationships, the main ways to communicate used to be phone calls, letters and visits.
used to过去常常
例句：We used to go to school on foot in the past.
我们过去常常步行上学。
4.Not everyone in the military, however, is at ease with social media.
at ease安逸,自在,无拘束,高枕无忧
例句：The dentist soon put the small girl at ease.
牙医很快使小女孩的情绪放松了。