It's like sitting on top of a boiling pot.

它就像是坐在沸腾的锅上。

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The pot was boiling.

锅里的水烧开了。

《柯林斯英汉双解大词典》

The mantle's motions, analogous to those in a pot of boiling water, cool the mantle by carrying hot material to the surface and returning cooler material to the depths.

地幔的运动类似于一壶沸水的运动，它把热的物质带到表面，再把较冷的物质带到深处，从而使地幔冷却。

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Minn Myint Nan Tin, with the Burmese Advocacy Center,or BAC, says keeping this melting pot from boiling over is a delicate balancing act.

VOA: standard.2010.07.22

Behind me Mom and Grandma were sitting on their haunches, chopping dandelions and radishes by a boiling pot, and Dad was rocking three-month-old Baby to sleep.

BBC: Piecing together puzzles in Cambodia

At the nexus of Europe and Asia, and with deep roots in the Muslim and Christian spheres, Turkey has long been a boiling pot -- and, occasionally, a target.

CNN: SHARE THIS

"Football mostly offers a flag for the celebrating of differences and there are plenty more examples, " says John Williams, adding the issues of gender and race to the boiling pot.

BBC: NEWS | UK | Can football really give peace a chance?