Macrofractography
断口低倍检验, 断口宏观检验
🗣️ 情景例句
You made a favorable impression on the examiners.
你给主考留下了很好的印象。
I lack words, with which to express my thanks.
我无法以言语来表达我的感激之情。
I counted seven old cars and three old refrigerators.
我数了一下，有7辆旧汽车和3上旧冰箱。