The United States of America stuck with the English units of its colonial past and today remains one of only three countries which haven't fully embraced the metric system.
美利坚合众国一直沿用其殖民时期的英制单位，如今仍是仅有的三个未完全采用公制的国家之一。
English unit
原声例句
TED-Ed（视频版）
英语百科
English units
（重定向自English unit）
English units are the historical units of measurement used in England up to 1824, which evolved as a combination of the Anglo-Saxon and Roman systems of units. Various standards have applied to English units at different times, in different places, and for different applications. The units were redefined in the United Kingdom in 1824 by a Weights and Measures Act, which retained many but not all of the unit names and redefined some of the definitions.
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