字典 波兰语 - 英语
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mieć zaległości w szkole 用英语:
1. 
to fall behind in school
2. 
fall behind with school work
英语 单词“mieć zaległości w szkole“（fall behind with school work）出现在集合中：
angielski 4.10 str 503. 
fall behind
fall behind schedule and then catch up
we should not fall behind
In order not to fall behind China or India, we need immediate change.
Companies that choose not to do this will fall behind those that are dedicated to improvement and excellence.
Don't fall behind, let's walk together.
fall behind the rent
