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'...
The maple leaves had fallen and they lined the gutters of the asphalted streets.枫树已经落叶,铺满了柏油路两旁的阴沟.He installed rain gutters and downspouts.他安装了雨水檐沟和排水管。The gutters either side of the paved high road were gurgling and ev...
布兰温忙着干活, 心情宛如浸湿的土地一样十分沉重.Brangwen went about at his work, heavy , his heart heavy as the sodden earth.他又从口袋里掏出这封皱巴巴的, 汗水浸湿的信.He still took out the Jacka's letter, misshapen from pockets and soggy with sweat.默默地他们跟我进...