n.1.行使职权的人。2.受训练者。3.体育机械。4.训练马的马夫。bicycle exerciser: 自行车练习器bohler exerciser: 博氏体操器grip exerciser: 握力训练器jacket exerciser: 颌训练器jaw exerciser: 颌训练器,咬合训练器下载手机词典可随时随地查词查翻译