區別就是兩者意思是不一樣,具體的不同如下
every week中文意思是每週
once a week中文意思是每星期一次
I do exercises for legs approximately once a week and most of my leg workouts include ballet movements and yoga stretching.我大約每星期一次做腿部運動,而且絕大部分的腿部訓練包括芭蕾舞步和瑜伽伸展運動。