PTO
uk/ˌpiː.tiːˈəʊ/ us/ˌpiː.tiːˈoʊ/
（页末字样）见下页，请翻至下页（please turn over的缩写）
abbreviation for please turn over: written at the bottom of a page to show that there is more information on the other side
PTO
noun [ C ] mainly US uk/ˌpiː.tiːˈəʊ/ us/ˌpiː.tiːˈoʊ/
家长教师会（parent-teacher organization的缩写）
abbreviation for parent-teacher organization
See: parent-teacher association