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1.A very specialized feeding adaptation in zooplankton is that ofthe tadpolelike appendicularian who lives in a walnut-sized balloon of mucus equipped with filters that capture andconcentrate phytoplankton. 浮游动物体内一种极特殊的进食适应性变化是蝌蚪状的尾海鞘纲动物的那种适应性变化，而尾海鞘纲动物则存活于核桃大小的黏液球囊内，装备有过滤器，用以捕捉和集中浮游植物。 2.These historians，however，have analyzed less fully thedevelopment of specifically feminist ideas and activities during thesame period. 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。 3.When the core of a giant star whose mass surpasses 1.4 timesthe present mass of our Sun exhausts its nuclear fuel，it is unableto support its own weight and collapses into a tiny neutron star. 当一颗质量超过我们的太阳目前质量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。 4.This is so even though the armed forces operate in an ethos ofinstitutional change oriented toward occupational equality and underthe federal sanction of equal pay for equal equal work. 即使武装部队是在一种趋向于职业平等的体制变革的精神下并在联邦政府同工同酬的鼓励下运作的，情况亦是如此。 | 
