I. key [kiː] 名词
单语范例（未经PONS编辑处理）
And people prone to misplacing their keys have long been able to attach a gadget to their key-ring that lets you know where to find them when you whistle.
www.smh.com.au Thanks to the solid-state drive, it's essentially shockproof with only the keys, trackpad and screen hinge for moving parts.
www.pcadvisor.co.uk The tiara and keys are typical symbols used in the coats of arms of pontiffs, which symbolize their authority.
en.wikipedia.org However, because watches have since been fabricated with their own winding mechanisms, modern keys do not.
en.wikipedia.org The note can be sustained, even when the keys are released, by the use of pedals at the bottom of the piano.
en.wikipedia.org