Last Updated：2025/11/21
Sentence
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On Earth Day, volunteers planted trees along the riverbank.
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On Earth Day, volunteers planted trees along the riverbank.
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Related words
Earth Day
Proper noun
North-American
US
obsolete
Japanese Meaning
アースデイ：北米諸国では、1970年に制定され、地球保護の必要性を認識するための国際的記念日で、主に4月22日に実施される。（また、アメリカでは旧来の意味として3月21日とされる場合もある）
English - English
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