brittle: adj.1.易碎的，脆的；脆弱的；易损坏的。2.虚幻的，靠不住的。3.(声音等)尖利的；容易生气的。4.(态度)冷淡的；利己的，专为自己打算的。短语和例子as brittle as glass 像玻璃一样容易打碎。 a brittle fame 浮名。 His promise turned out brittle. 他的诺言原来是靠不住的。 a brittle and se
Sem showed that comparing with typical brittle rupture of polypropylene , the impact surface of ppmn had acuter undulation and more abundant configuration which were typical characters of tough rupture Sem照片显示，对比pp基体的典型脆性断面， ppmn冲击断面起伏较大，形态更加丰富，具有显著的韧性断裂特征。
