1 connected with an empire or its ruler 帝国的；帝王的: the imperial palace 皇宫

2 belonging to a system of weighing and measuring that, in the past, was used for all goods in the United Kingdom and is still used for some （度量衡）英制的 ☞ Look at metric and at inch, foot, yard, ounce, pound, pint and gallon. 参看metric、inch、foot、yard、ounce、pound、pint及gallon。