noun ダウンロード 🔗共有 妊娠期間 The period of time during which an infant animal or human physically develops inside the mother's body until it is born. Examples : "The elephant's gestation period, lasting almost two years, is the longest of any mammal. " ゾウの妊娠期間は、ほぼ2年間と、哺乳類の中で最も長い。 physiology medicine biology body anatomy organism animal human science period time family AIとチャット語彙ゲーム読解練習
noun ダウンロード 🔗共有 発展, 展開 The process of development of a plan or idea. Examples : "The project's gestation took several months of research and planning before we could even start building. " プロジェクトの展開には、建設を開始する前に、数ヶ月間の調査と計画が必要でした。 process plan mind AIとチャット語彙ゲーム読解練習