cubit
n. 腕尺（古时的长度单位）
例句
Which of you by taking thought can add one cubit unto his stature?
你们那一个能用思虑，使寿数多加一刻呢。
THE cubit is not merely an obsolete unit; it is also an imprecise one.
腕尺不仅是一个过时的单位，它也是不精确的。
Make an atonement cover of pure gold-two and a half cubits long and a cubit and a half wide.
要用精金做施恩座（施恩：或作蔽罪；下同），长二肘半，宽一肘半。
