相关observance的文学知识

observance造句

observance造句

Speakingoutisthethemeofthisyear'sobservance.ThefeastwasmoreofatraditionalEnglishharvestfestivalthanatrue"Thanksgiving"observance.OthereventsatFAOheadquartersinobservanceofWorldFoodDayare.Duringtheo...