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'...
Sedimentary facies include river bed , alluvial flat, neritic , river mouth and limnetic, littoral, weathered continental drift bed and flood deposit facies.沉积相主要有河床相 、 河漫滩相、浅海相 、 河口湾相、湖沼相 、 滨海相和陆相坡积洪积风化红土等7种类型,它们的分布与古河谷...
安非他命是一种会刺激中枢神经系统的毒品.Amphetamine is a drug that stimulates the central nervous system.泪点: 萨拉由于安非他命上瘾而被送进精神病院.Tissues Out : Hooked on amphetamines, Sara is committed to a mental institution.不要试图用可卡因或是安非他命来提神.Don't use...