他说话明显结巴。He spoke with a pronounced stutter.他脸色发白，说话开始结巴。He turned white and began to stammer.他老结巴，这叫她难以忍受。He tended to stutter, which tried her patience....
No abnormity was found in the metallographical analysis and hardness test.金相和硬度分析未发现明显异常组织和硬度分布.The geometrical characteristics analysis of grain is the important base of metallographical analysis.晶粒的几何特征度量是金属性能分析的重要基础.T...