Electronfractography
断口电子显微镜检验
🗣️ 情景例句
He's working with me during the summer months as an intern.
在夏天的这几个月到我这里来当实习生。
Better is the neighbour's hen than mine.
人莫知其苗之硕。
I don't know. Let's go for a walk.
我不知道。咱们去散散步吧。