全天服务的英文：
around-the-clock service; open 24 hours
adv. 大约；在周围，在附近；旋转；四处
prep. 在周围；在某处；围绕；四处
play around with
在一起厮混|玩弄|戏弄
The blades of the propeller turned around and around.
螺旋桨不停地转动着。
to wind around; to curl up; to revolve around; to orbit
旋绕
n.时钟；计时器
v. 测时间
the works of a clock
钟的活动部件
Put the alarm clock on for 7 o'clock.
把闹钟拨到七点。
I usually clock in at 8 o'clock.
我通常8点钟签到。
n. 公共服务系统；公共事业机构；政府机构；帮助，效劳
v. 检修，维修；为…提供服务
overhand service
高手发球
take service with
在￥帮佣
express goods service
特快货运业务