字典 英语 - 波兰语
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make certain 用波兰语:
1. 
upewnić się
波兰语 单词“make certain“（upewnić się）出现在集合中：
II. 4 Making an appointment by phone1. Academic Vocabulary in Use - Key adjectives str...
Password 4 Unit 5 part one
DC1C2-chance&nature reszta chałastry
Public affairs
