noun🔗ShareアセノスフィアThe zone of the Earth's upper mantle, below the lithosphere."The Earth's lithosphere, which includes the crust and upper mantle, floats on the softer, more pliable asthenosphere. "地殻と上部マントルを含む地球のリソスフェアは、より柔らかく、よりしなやかなアセノスフィアの上に浮いています。geologygeographyscienceChat with AIVocabulary GamePractice Reading