音标发音英式音标 [æsˈθiː.nə.sfɪər]美式音标 [æsˈθiː.nə.sfɪr]英式发音 美式发音 基本解释軟流圈。同根派生 the asthenosphere相关词英英字典劍橋英英字典 the thin, almost liquid, layer under the hard rock that forms the outer layer of the earththe asthenosphere剑桥字典the asthenosphere柯林斯字典