常見例句雙語例句There are three layers: the upper mantle, lower mantle and the core.地球內部分爲三層:上地幔,下地幔以及地核。bbs.hpu.edu.cnThe rock is peridotite, which is one of the main rocks in the upper mantle, an area that provides a girth below the Earth’s crust.這種石頭是橄欖巖,上地幔(地殼以下環(huán)繞地殼一周的區(qū)域)的主要組成成分。Under Ganymede's thin, icy crust lies a well-defined upper mantle of warmer ice, an inner mantle of silicate, and a molten iron core. (Related blog: "Comets 'Melted' Jupiter's Biggest Moon.")木衛(wèi)三單薄的冰殼之下有一個界限清楚的煖冰上地幔,矽酸鹽的內地幔以及一個熔鉄核心。權威例句The rock is peridotite, which is one of the main rocks in the upper mantle, an area that provides a girth below the Earth's crust.ECONOMIST: Greenhouse gases 返回 upper mantle