spark off

Zhang believes that changes in ecosystems could lead to social , economic and political change , and could spark off wars .

DavidZhang认为生态系统的变化会造成社会、经济、政治的变革，也会导致战争。

It is common standing that the present farmland expropriation system should be reformed , but on earth how to reform spark off heated dispute .

现行征地制度亟待改革，这是决策界和理论界的共识，但到底应如何进行改革，却颇有争议。

The spark given off by the flint is over five and a half thousand degrees Fahrenheit .

打火石产生的火花温度超过了5500摄氏度。

However , the incident was only the spark that set off the fire .

但这个事件只不过是引起火灾的一个火星。

A spark then set off the explosion Friday that damaged 42 buildings .

火花引起了周五的爆炸事故，42座建筑被炸毁。

Some bright spark turned the heating off last night !

某个聪明过头的家伙昨晚把暖气关了。

It only takes a spark to set it off .

一点火星即可引爆

Do be careful with those fireworks ; the slightest spark could set them off .

这些烟火要格外小心，稍有火星就能引起爆炸。

Beneath the frozen surface of the lake , flammable bubbles of methane gas bump up against the ice , just waiting for someone to light a spark and set them off .

在结冰的湖面下方，甲烷气体释放出易燃的气泡，碰撞到了冰层，只待有人点燃火花，引起爆炸。