a bar to which heavy discs are attached at each end; used in weightlifting
barbells的用法和样例:
例句
She should try using dumbbells instead of barbells for upper-body exercises because spiral movements have a greater range of motion. 在上肢力量训练时可采用哑铃代替杠铃,因为螺旋运动具有更大的关节活动度。