shoe factory----two shoe factories
1.在英语中名词作定语修饰名词时,如果变复数一般只变第二个名词.
例如：two apple trees,ten girl stedents
2.但是man,woman,gentleman等作定语时,其单复数以所修饰的名词的单复数而定.例如：
a man worker----- two men workers a woman teacher----- some women teachers a gentlemen official------several gentlemen officials