到了20世纪20年代，随着大众舞蹈运动的出现，人们聚在一起听钢棒吉他乐。

By the 1920s, with the advent of the public dance movement, people were gathering in large groups to listen to steel guitar music.

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然后出现了钢丝弦，接着膝上吉他就诞生了。膝上吉他也被称为钢吉他，因为演奏者会在琴颈上下滑动一个钢棒。

Then came steel strings, and that led to the lap guitar—which is also called the steel guitar because the player slides a steel rod up and down the neck.

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在燃料棒开始融化后一段时间里，热量可能融化四到八英寸厚的反应堆的容器钢壁。

Hours after the fuel rods started to melt, the heat.

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