世界地球日 shìjièdìqiúrì Earth Day Definitions Defs Origin Strokes Stroke Words Sentences Sents 世界地球日 shìjièdìqiúrì Earth Day World Earth Day, observed annually on April 22nd to promote environmental protection; often shortened to 地球日 dìqiúrì Cross-References Abbreviation of 地球日 dìqiúrì
世界地球日 shìjièdìqiúrì Earth Day World Earth Day, observed annually on April 22nd to promote environmental protection; often shortened to 地球日 dìqiúrì Cross-References Abbreviation of 地球日 dìqiúrì
