The violence has erupted sporadically throughout a summer of sectarian tension in north Belfast.

整个夏天，贝尔法斯特北部的宗派局势紧张，冲突不时爆发。

youdao

Social turbulence has erupted in west Asia and north Africa.

西亚北非地区发生社会动荡。

youdao

Apart from venting ash frequently, Ubinas has erupted many times since 1550.

自从1550年以来，乌比纳斯火山除了经常喷发火山灰外，还爆发了多次。

youdao

Meanwhile,the Iranian regime has been cracking down on anti-government protests that erupted after June's disputed presidential election and flared anew last month.

VOA: standard.2010.01.04

Violence connected to the conflicts in the Caucasus has also erupted in other parts of Russia, including the Moscow subway attacks in 2004.

VOA: standard.2009.11.27

Iceland's volcano erupted Wednesday and has since been spewing ash several miles into the air.

VOA: standard.2010.04.17

Sporadic violence has erupted since both sides declared tentative ceasefires on 17 and 18 January.

BBC: UN launches $613m appeal for Gaza

In the past few weeks, a debate about the virus has erupted in the Middle East.

CNN: Saudi Arabia reports first swine flu death

It has erupted only three times since Iceland was settled in the ninth century.

ECONOMIST: Volcanoes and air travel: Small eruption in Iceland | The