词汇	notch embrittle
释义	notch embrittle 🌏缺口脆性
随便看	secondary nuclear auxiliary power project secondary nuclear fuel secondary nucleation secondary nuclei secondary nucleoation secondary nucleolus secondary nucleus Secondary nursing education secondary nursing specialty secondary nutrient secondary nutrients secondary nutritional defieiency secondary nystagmus secondary oak forest secondary obesity secondary object secondary objective secondary objects secondary obligation secondary obstruction secondary occlusal trauma secondary occlusal traumatism secondary occupation secondary occupation education secondary occupations