1.在帮工;被雇用着;在军中服役;(车辆等)仍在使用中
2.“in service/out of service”的变体
1.The variant of in service/out of service
1.But along with the five campuses operated by YES (Youth Engaged in Service), with a very similar philosophy, it is an important part of it.
但是随着五个由青年从事服务的大学校园的运转，他们怀拥有相同的人生观，这一点是很重要的。
2.Then you need to be able to put the machine back in service.
然后，还应该能够将计算机放回服务中。
3.Officials said the train should be in service in time for the start of the 2008 Olympic Games.
有关官员说，新型列车将赶在2008年奥运会开幕前投入运行。
4.As I said, all that was in service of creating a flexible yet affordable configuration.
正如我所说，这一切都是为了创造一个灵活多变造价又可控的结构。
5.Because, many people engaged in service activities, the old man and the child gratuity is all of its income.
因为，许多从事服务性活动的老人与孩子，小费是其全部收入。
6.Optionally, at least a portion ofthe silica is removed from the surface to placing the article in service.
任选地，至少部分二氧化硅从表面去除以将制品投入使用。
7.Also, a train strike had been paralyzing traffic for about a week, with only few trains in service here and there.
而且，火车员工的罢工也导致交通瘫痪一周，只有很少几辆运行。
8.We are the Galactic Federation of Light, and we are here with you in love, in service and in protection in the name of our Creator.
我们是光之银河联邦，我们在这与你们一起，以我们的造物主的名义，处在光中，在服务中，处在保护中。
9.Since the Ka-band Wideband Global Satcom (WGS) satellite is now in service, GBS has added WGS to its broadcast network.
由于Ka波段的宽带全球卫星通信（WGS）已经投入使用，全球广播服务已把WGS纳入其广播网络中。
10.If no alternate path exists for a link, the link state is always marked as up (in service).
如果某条链路没有备用路径，则其链路状态将始终标记为打开（正在工作）。