What does 地球 mean?
地球 is a Japanese noun meaning “the Earth” in English. It is written as 地球 in kanji, ちきゅう in hiragana, and chikyuu in romaji. This word is part of JLPT N3 vocabulary.
Example sentences
地球は太陽の周りを回っている。
The Earth goes round the sun.
地球を守るために、ごみを減らそう。
Let's cut down on rubbish to protect the planet.