地球日 dìqiúrì Earth Day Definitions Defs Origin Strokes Stroke Words Sentences Sents 1 sentence 四月二十二日是美国以及许多其它国家的地球日。 sì yuè èrshí èr rì shì měiguó yǐjí xǔduō qítā guójiā de dìqiúrì. April 22nd is Earth Day in the United States, and in many other countries. Source: UM-Corpus: News