Sammy
来自Big Physics
wiktionary
Sam + -y
etymonline
Sammy (n.)
British slang for "U.S. soldier in World War I," 1918, a reference to Uncle Sam.
A Sammie may be defined as an American soldier as he appears in an English newspaper or a French cinema. It is a name he did not invent, does not like, never uses and will not recognize. [Stars & Stripes, March 29, 1918]
