noun 下载 🔗分享 软流层,无力圈。 The zone of the Earth's upper mantle, below the lithosphere. Examples : "The Earth's lithosphere, which includes the crust and upper mantle, floats on the softer, more pliable asthenosphere. " 地球的岩石圈,包括地壳和上地幔的一部分,漂浮在更软、更易弯曲的软流层(又称无力圈)之上。 geology geography science 与AI对话词汇游戏阅读练习