a convoluted seashell.盘旋状贝壳She walks along the beach - collecting seashell.她沿海滩收集海贝.Now I'm looking for a starfish. And a seashell.现在我要来找海星和贝壳.How Does the Sound of the Ocean Get Inside a Seashell?到贝壳里“听海”?...
Genetic effects include inheritable changes resulting from mutations in reproductive cells.遗传的影响包括再生细胞变异引起的遗传变化.Its features are normative, qualificative, operable, inheritable and changeable.它的特征是规范性 、 限定性 、 可操作性 、 传承性和...