英语单词 Vacuum metallurgy：含义·读音·用法·记忆技巧

🧩 词语组成解析

vacuum ['vækjʊəm]

n. 真空;空白;空虚;清洁; v. 用真空吸尘器清扫;

vac空+uum表名词 →空虚；真空

metallurgy ['mɛtəlɝdʒi]

n. 冶金，冶金学，冶金术;

metal金属的+lurgy病，疾病 → 冶金术，冶金

I've been thinking.

我一直在考虑。

Sorry, I guess I wasn't thinking. I won't do it again.

对不起。我对这事没想过，下次不这样了。

and it is only in the seas and rivers, and sometimes lakes, where mud and sit have been continuously deposited,

所以只有在泥沙不停淤积的海洋和江河里，有时在湖泊里，

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