Fractographic
a. 金属断面的显微镜观察的
🗣️ 情景例句
Come in, come in. Please, come in.
请进， 请进。请进来。
Would you mind getting together sometime?
你可以找个时间大家一起聚聚吗？
At the time of his death, one person praised him as follows: Future generations, it may be, will hardly believe that such a person as this walked upon this earth.
未来的几代人有可能难以相信，在这个世间曾经有这样的一个人行走过。"