EMS

名词 em:

1. the square of a body of any size of type
   同义词：em, mutton, mut
2. a linear unit (1/6 inch) used in printing
   同义词：em, pica em, pica

Ems

NONE（无词性）
A river of northwest Germany flowing about 335 km (208 mi) to the North Sea at the Netherlands border.
爱姆斯河：德国西北部河流，流程约335公里(208英国），注入荷兰边界的北海