Toppling - sliding is a serious problem in mining and hydroelectricity construction.在矿山开发、水电建设过程中倾倒变形问题日渐突出.Morgenes had to grasp the door lintel to keep from toppling.Morgenes不得不抓住门楣以防摔下去.Nothing is more important than ...

v.不稳而倒下( topple的现在分词 )，将…推翻，打倒...

toppling的音标：...