Fractography
n. 金属断面的显微镜观察\\n[医] 参差表面描绘术
🗣️ 情景例句
Thank you, Mr. Riley. We'll read this over carefully.
谢谢你 Riley先生。我们会仔细阅读这些。
Are you going to America soon?
你就要去美国了吗？
It was mailed last week.
上个礼拜我们还没收到。