字典 波兰语 - 英语
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wykonać ćwiczenie 用英语:
1. 
to do exercise
I started to do exercise because I have backaches.
NEVER: to do exercises
2. 
do an exercise
英语 单词“wykonać ćwiczenie“（do an exercise）出现在集合中：
Lesson 4A - Parents and teenagersUnit 3, Edukacja
Angielski u3
