Macrofractography
断口低倍检验, 断口宏观检验
🗣️ 情景例句
I'd like to give her a nice going-away present.
我很想送给她一件好的离别礼物。
What did he ask you?
他问你什么？
Hello, Uncle Wang. Nice to meet you.
你好，王叔叔。见到你很高兴。