Conclusion: The pit and fissure sealant have significant preventive effect on carious teeth.结论: 窝沟封闭能有效预防窝沟龋的发生.A universal UV sealant to protect all acrylics, wraps and gels.保护所有水晶甲 、 假甲和凝胶甲的常用紫外线光疗密封剂.Conclusion: Fibri...
Outer row of studs secures the yoke to the body.双头螺栓的外部排列将阀架固定在阀体上.the yoke of imperialism帝国主义的枷锁He had got his neck out of the yoke of matrimony.他已经摆脱了婚姻的枷锁.At last the Norse yoke was broken by two remarkable men.挪威人的桎梏...
Sumner would greet us with frowns and grimaces, doing his best to express wordless disapproval...萨姆纳会冲我们皱眉，做苦脸，竭力表示他无言的反对。As the gray Chicago sky frowns outside his conference room window, Obama rehearses his message.芝加哥...