Cheer有动词和名词词性,做名词是欢呼,令人愉快的事.cheering是动名词,是动词的ing形式,含有动词的意思,为…加油,欢呼,如跟在介词后或是跟一些后面要加ing的动词后用,如for cheering them up,keep cheering,其时这两...