1. 帝国的;皇帝的
Imperial is used to refer to things or people that are or were connected with an empire.
e.g. ...the Imperial Palace in Tokyo...
东京的皇宫
e.g. They executed Russia's imperial family in 1918.
他们 1918 年处死了俄国沙皇皇族。
2. (度量衡)英制的
The imperial system of measurement uses inches, feet, and yards to measure length, ounces and pounds to measure weight, and pints and gallons to measure volume.
名词写字纸〔〔英国〕22×30或32英寸；〈美〉23×31英寸〕形容词帝国的；皇帝的；（度量衡）英制的网络帝国理工学院；帝国人；皇室香槟