字典 英语 - 波兰语
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to back someone up 用波兰语:
1. 
popierać kogoś
波兰语 单词“to back someone up“（popierać kogoś）出现在集合中：
FCE Listening and Speaking Skills Listening Test 2wywiad z Brian - Queen
Fiszki 343, 344, 345, 346, 347
Unit 38 - Phrasal verbs 3
Training and Motivating
