字典 波兰语 - 英语
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dzień otwarty 用英语:
1. 
open day
英语 单词“dzień otwarty“（open day）出现在集合中：
Word Bank, Unit 1 - Szkoła, Oxford Excellence for ...SZKOŁA 1.7 School life
Angielski unit 6 i 7
Unit 5a/b/c/d/e/f vocabulary
UNIT5 high note
2. 
open house
We keep open house, so come and see us any time.
