一群绿鹦鹉从杉木林里疾速飞出。A flight of green parrots shot out of the cedar forest.一只金刚鹦鹉站在栖木上冲他尖叫。A macaw screeched at him from its perch.鹦鹉尖声叫了叫飞走了。The parrot squawked and flew away....
Dong Jie , deputy director of ophthalmology doctor. Good professional optometry.董杰眼科副主任医师. 擅长专业验光.The technique of gene chip more and more applied in ophthalmology.随着基因芯片技术的日渐成熟,其在眼科领域的应用不断深入.Applications of medical imag...
His family have a country seat in Oxfordshire.他家在牛津郡有一座乡间宅第。He is living now in his mother's home county of Oxfordshire.他现在居住在他母亲的故乡牛津郡。Oxfordshire is a county at the heart of England.牛津郡是英国的重要地区,位于英国的中心地带....
Effects on the activities of urease and catalase from bronopol were studied.研究了溴硝醇农药施入土壤后,土壤中脲酶和过氧化氢酶活性的变化情况.Ther result shows that the mechanism is probably that the electrostatic field polarizes the catalase solution.研...