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...
When not removed, plaque causes tooth decay and gum disease.牙斑如果不清除就会导致牙齿蛀蚀和牙龈疾病。I've tried everything from herbal cigarettes to chewing gum.中草药香烟、口香糖之类的我统统都试过了。Deposits of plaque build up between the tooth and the ...
凯西·施滕格尔可能是棒球界最有趣的人物。Casey Stengel was probably the most colorful character in baseball.作为喜剧界的常青树——他的简单淳朴与自然大方无人能及。A timeless comic actor—his simplicity and his apparent ease are matchless.20世纪80年代初他突然在时尚界活跃起来。He burst on...
用茶匙轻敲鸡蛋，让蛋壳开裂。Tap the eggs gently with a teaspoon to crack the shells.他用手杖轻敲着腿。He was tapping his walking stick against his leg.他用指关节轻敲着桌面直到感到疼痛为止.He rapped the tabletop with his knuckles until they were sore....