单词：soil grain
soil grain的用法和样例：
例句
- The surface of the soil particle will have a negative charge.土粒表面会有负电荷。
单词：soil grain 相关文章
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英语新闻
今天我们要学的词组是against the grain。 Grain是谷子，不过在这里，grain指的木材的纹理。木工都知道，刨木头一定要顺着木材的纹理；You cannot polish wood against the grain. 作为习惯用语，against the
英语单词荟萃
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农业与发展
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英语新闻