Fractograph
断口组织(金属断面)的显微镜照片
🗣️ 情景例句
Protein, vitamins.
蛋白质， 维他命。
You can count on us.
你可以信赖我们。
No, Jeanne, I wasn't ill. I know I look older than my age now. That's because of hard work-ten years of hard work.
没病，让娜，我没生过病。我知道我看上去比我的年纪要大些，那是因为劳累的缘故--10年的劳累呀！