Electronfractography

断口电子显微镜检验

🗣️ 情景例句

This is he speaking.
我就是。
How often did I tell you to keep quiet?
我告诉你多少次要安静?
My French isn't very good but it is enough to get by.
我的法语不是太好,但应付一下也够了。
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🔤 更多 E 开头的单词

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