If I could choose the language in which I spoke to you, I would choose to speak in Gaelic, the sliding scale,the sussuration of breath, The sound of water beating between us."

VOA: special.2011.05.09

It's also on a vernier, a sliding scale.

这也是在游标尺上，可选择的。

麻省理工公开课 - 固态化学导论课程节选