evolutionary development短语⁶³²⁵⁴ 基本例句 演变化性开发 Through untold centuries of evolutionary development, the insect exoskeleton has become a highly optimized structure suited to a variety of demanding duties. 经过若干世纪的选择进化，生物自然复合材料昆虫外甲壳的细观结构高度优化，使其具有种种优良的性质。 cnki