Naphthenic (base) crude (oil)
[化] 环烷基石油
🧩 词语组成解析
adj. 粗糙的,粗杂的;粗鲁的;天然的,未加工的;简陋的;
n. 原[生]材料,天然物质;原油;
crud生的+e → 粗糙的;原始的
🗣️ 情景例句
There's a park over there. Let's walk in the park for a while.
那边有个公园。我们去散散步吧!
They could not agree about the distribution of the profits.
他们对于利润的分配意见不一致。
There are many Chinese take-aways in English and in the USA and in Australia,too.
在英国与美国有很多中式方便食品--在澳大利亚也有。
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