1. 一直;不停地：809. all the year round终年;一年到头 | 810. round the clock一直;不停地 | 811. as a rule通常
2. (围着时钟转 )：146 Roll That Bal(滚动那个球 ) | 147 Round The Clock(围着时钟转 ) | 148 Sally, Go' Round The Sun(萨利绕着太阳转 )
3. 不分昼夜：Rome was not built in one day. 罗马并非一天建成. | Round the clock 不分昼夜 | round-table conference 圆桌会议
4. 日日夜夜：156.royal road 捷径 | 157.round the clock 日日夜夜 | 158.rotten to the core 坏透了
adv
1. without stopping
e.g. she worked around the clock
Synonym: around the clockfor 24 hours