1. And it's not just the big ideas like computers, printing presses and steam engines (蒸汽机) that become big things.
    不仅仅是诸如计算机、印刷机和蒸汽机之类的伟大想法变成了伟大的发明。

2. Steam is rising from the kettle.
    蒸汽从茶壶中冒出.