鞭毛的旋转可以推动细菌在水中行进。The rotation of flagella pushes the bacteria through the water.微管还用于建造中心粒,基体, 纤毛和鞭毛.Microtubules are also used in the construction of centrioles , basal bodies , cilia and flagella.单胞体 单细胞 的微生物, 尤指单'...
那场展览陈述的想法很好，但是没能实现。The ideas in the show's presentation were good, but failed in execution.这本文集是为配合在科隆举办的一场展览而出的。This volume of essays was designed to accompany an exhibition in Cologne.令人失望的是，这次展览仅持续一周。Disappointin...
I heard a peal of merry laughter.我听到一阵响亮的欢笑声。A peal of church bells rang out in the distance.远处响起了一阵教堂的钟声。The bells of the cathedral rang out their loud peal.大教堂响起了响亮的钟声....