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
I care about more lockers for the teachers.
我关心教师要有更多的储物柜。
I told him to come in and wait here.
我告诉他进来在这里等。
I'll go.I think it's my friend.
我去开门,我想是我的朋友。
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