名詞 outbreak:

1. a sudden violent spontaneous occurrence (usually of some undesirable condition)
   同義詞：eruption, irruption

1. The area was struck by an outbreak of cholera.
   該地區(qū)突然發(fā)生了霍亂。
2. The hospital wards were fumigated after the outbreak of typhus.
   發(fā)現(xiàn)斑疹傷寒以後，醫(yī)院的病房進行了煙熏消毒。
3. In the years immediately preceding the outbreak of war in1939, Hitler succeeded in annexing various parts of Europe to Germany without firing a shot.
   在1939年大戰(zhàn)爆發(fā)的前幾年，希特勒沒開一搶而成功地把歐洲許多地區(qū)并吞為德國領土。
4. The research project fetched up because of the outbreak of the war.
   由于戰(zhàn)爭爆發(fā)，這個研究計劃擱淺了。
5. The outbreak of riot caused many people to die.
   暴亂的發(fā)生使很多人喪生。
6. There has been an outbreak of typhoid.
   那兒正爆發(fā)傷寒。

out.break

n.（名詞）
A sudden increase:
突然發(fā)生：
例句：
an outbreak of influenza.
流感突發(fā)

A sudden eruption; an outburst:
突然爆發(fā)：
例句：
.an outbreak of strikes, violent agitation, and arrests.(Samuel Chew)
.罷工、騷亂和逮捕行動的突然爆發(fā).(塞繆爾·楚)