55.These historians，however，have analyzed less fully the development of specifically feminist ideas and activities during the same period. 7 R0 g: }5 ~# Y5 W5 T- t9 h1 f* H
但是，这些史学家还不曾充分地分析同一时期中那些具体的女权主义思想和活动的发展。 ( |9 \ n% i) O, M
56.When the core of a giant star whose mass surpasses 1.4 times the present mass of our Sun (M⊙)exhausts its nuclear fuel，it is unable to support its own weight and collapses into a tiny neutron star. ' X) N: `) w2 M% ?& n2 J 当一颗质量超过我们的太阳目前质量(M☉)1.4倍的巨星的内核耗竭其核燃料时，它便无法支撑自身的重量，并收缩成为一颗小型中子星(neutron star).
发表于 2012-8-15 13:05:25
