辞書 英語 - 英語
- to exercise 英語で:
1. 
to work out
If you want to lose weight, you need to work out.
We have to work out the meaning of these words.
The audience tries to work out who the murderer is.
I had to work out for myself what the cost per pound or kilo was.
英語 "という言葉to exercise"（to work out）集合で発生します。
Top 100 phrasal verbs 76 - 1002. 
to practise
If you want to be good at something you need to practise a lot.
Amy had to practise the piano every day.
to make use of 