Water vapour condenses to form clouds.

水蒸汽冷凝形成云。

《柯林斯英汉双解大词典》

The substance polymerizes to form a hard plastic.

这种物质聚合形成坚硬的塑料。

《牛津词典》

The molecules join together to form long strings.

分子连接在一起形成长串。

《牛津词典》

These pictures show young readers what led Darwin to form his great discovery: the evolution of species through natural selection.

VOA: special.2009.02.27

If we take hydrogen peroxide in the liquid state, it can break down to form water and oxygen.

如果我们有一些液态的过氧化氢，它会分解成水和氧气。

麻省理工公开课 - 热力学与动力学课程节选

Methane, there are certainly some solid bonds there, but breaking those to form CO2 and water, well it's worth it, right, energetically.

酒精中的确含有很强的化学键，但是打断这些化学键然后生成二氧化碳和水，从能量上来看是值得的。

麻省理工公开课 - 热力学与动力学课程节选

Iraq's newly designated prime minister, Nouri al-Maliki, is now in a race to form a government.

NPR: A Conversation with Iraq Envoy Zalmay Khalilzad

She believes that most of the building blocks to form a new business already exist.

FORBES: Extreme Outsourcing

In 1999, when Hoechst merged with Rhone-Poulenc to form Aventis, it decided to sell Messer Griesheim's welding business.

ECONOMIST: Face value