字典 波兰语 - 美国英语
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współczynnik ?:
1. quotient
2. ratio
The ratio of teachers to students is about 1 to 20.
美国英语 单词“współczynnik“（ratio）出现在集合中：
UEK_JW_Lesson #2_Are you a coffee person?3. factor
Vaccination is an important factor in improving the nation’s health.
