練習， れんしゅう
1. practice, training, drill, (an) exercise, workout
练习，训练，演习，锻炼
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@ する， 為る
1. to do, to carry out, to perform
2. to cause to become, to make (into), to turn (into)
3. to serve as, to act as, to work as
4. to wear (clothes, a facial expression, etc.)
5. to judge as being, to view as being, to think of as, to treat as, to use...
做，作，干，执行