The more viscous lava is, the harder it is for gases within it to bubble out.

熔岩的粘度越大，其中的气泡就越难释放。

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The more viscous lava is, the harder it is for gases within it to bubble out, so such lava has an explosive tendency.

岩浆越黏，其内部的气体想通过气泡冒出就越困难，所以这种岩浆有爆炸的倾向。

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One is the composition of the lava. The more viscous lava is, the harder it is for gases within it to bubble out, so such lava has an explosive tendency.

一是熔岩的成份，熔岩越黏，里面气体向外涌就越困难，因此这种熔岩有爆炸倾向。

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It blows selection and Bubble Sorts out of the water, but why is that?

它比选择和冒泡排序,更高效，为什么呢？

哈佛公开课 - 计算机科学课程节选

The more viscous lava is, the harder it is for gases within it to bubble out.

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

Pipes have now been put in place in Lake Nyos and nearby Lake Monoun to siphon water from the lower layers up to the surface and allow the CO2 at the bottom of the lake to slowly bubble out, preventing a repeat of 1986 tragedy.

BBC: 1986: Hundreds gassed in Cameroon lake disaster

Also there is a bubble coming out of Randy White's mouth.

NPR: Excerpt: 'The Mysterious Secret of the Valuable Treasure'