They talked modestly of their valiant efforts to keep the tanker afloat.他们说起自己设法使油轮漂浮的英勇之举时非常谦虚。We kept her afloat for a couple of hours by bailing frantically.我们拼命往外舀水，使它继续漂浮了几个小时。A number of efforts were being made to ...
Results There exists significant difference regarding to the comfort, function and fixedness between implant complete denture.结果种植固定义齿与下颌半口义齿在舒适 、 功能、固位等方面存在明显差异.Objective To increase the retention and stability of tradi...