| 释义 |
sporadicspo‧rad‧ic /spəˈrædɪk/ adjective   sporadicOrigin: 1600-1700 Medieval Latin sporadicus, from Greek, from sporaden ‘scattered in different places’ - Sporadic gunfire continued through the night.
- sporadic outbreaks of disease
- Our advertising campaigns have been too sporadic to have had a lot of success.
- Since then he has been on sporadic drinking binges.
- There was rioting and sporadic fighting in the city as rival gangs clashed.
- Different patterns of clinical involvement with genetic transmission or sporadic occurrence are recognised.
- I kept hearing aircraft passing low overhead and sporadic gunfire from automatic weapons.
- Major cities hit by sporadic uprisings and riots.
- Secondly, familial cases have sometimes shown a lower age at onset than sporadic cases, which is consistent with aetiological heterogeneity.
- The next day the government declared a curfew from 9 p.m to 4 a.m., as sporadic rioting and shooting continued.
- The random background meteors that do not belong to discrete meteor showers are called sporadic meteors.
- There was now a lull in the battle, though sporadic cannon and musket fire were still heard.
not regularly► every now and then/every so often sometimes, but not very often and not regularly: · I only smoke every now and then, at a party or when we go out to eat.· Every so often the silence was broken by the sound of gunfire. ► on and off/off and on if you do something on and off or off and on during a long period, you do it for short periods but not regularly: · I've been trying to learn Spanish on and off for the past five years.· "Are you still going out with Bill?" "Off and on." ► by/in fits and starts repeatedly starting and stopping, but not regularly and never for more than a short time: · Unfortunately our research has only continued in fits and starts.advance/grow/progress etc in fits and starts: · The disease progressed in fits and starts for at least two decades.· American military technology has advanced by fits and starts. ► intermittent happening repeatedly but not continuously: · There will be intermittent thunderstorms throughout the day.· After two days of intermittent fighting, order was finally restored. ► sporadic happening repeatedly over a fairly long time but not regularly and only for short periods within that time: · Our advertising campaigns have been too sporadic to have had a lot of success.· Since then he has been on sporadic drinking binges.sporadic fighting/violence/shots/outbreaks etc: · There was rioting and sporadic fighting in the city as rival gangs clashed.· sporadic outbreaks of disease ► in waves if something happens in waves , a short period of activity is followed by a pause, and then there is another short period of activity and another pause, and it continues in this way: · The recruitment of new staff has been proceeding in waves.· Pain and nausea swept over him in waves. happening fairly often, but not regularly SYN intermittent:  There has been sporadic violence downtown.—sporadically /-kli/ adverb: The fighting continued sporadically for several days. |