π日
World Pi Day, a celebration of the mathematical constant π on March 14 each year
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📖 Additional Information
English Phonetic:
wә:ld
Detailed Definition:
n. people in general; especially a distinctive group of people with some shared interest\nn. all of your experiences that determine how things appear to you\nn. a part of the earth that can be considered separately\nn. all of the living human inhabitants of the earth