字典 波兰语 - 英语
- 
odporność na kruche pękanie 用英语:
1. 
fracture toughness
英语 单词“odporność na kruche pękanie“（fracture toughness）出现在集合中：
19 material properties 22. 
toughness
Mental toughness is doing whatever is necessary to get the job done
An athlete needs to show both physical and mental toughness.
