A unit of length in the U.S. Customary and British Imperial systems, equal to! /12 of a foot(2.54 centimeters).是什么意思_A unit of length in the U.S. Customary and British Imperial systems, equal to! /12 of a foot(2.54 centimeters).在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句