作业帮Aluminum remained unknown until the nineteenth century,because nowhere in nature is it found free,owing to its always being combined withother elements,most commonly with oxygen,for which it has a strong affinity.most commonly with oxygen 这句话
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Aluminum remained unknown until the nineteenth century,because nowhere in nature is it found free,owing to its always being combined withother elements,most commonly with oxygen,for which it has a strong affinity.most commonly with oxygen 这句话
Aluminum remained unknown until the nineteenth century,because nowhere in nature is it found free,owing to its always being combined withother elements,most commonly with oxygen,for which it has a strong affinity.
most commonly with oxygen 这句话在整个句子中是属于什么语法,为什么可以单独这么写一下.请英语达人给我解释下吧,请不要贴复制的答案哦,因为我已经看过了,
Aluminum remained unknown until the nineteenth century,because nowhere in nature is it found free,owing to its always being combined withother elements,most commonly with oxygen,for which it has a strong affinity.most commonly with oxygen 这句话
most commonly with oxygen 是一句【插入语】,相当于对前面一句话的补充说明,不作句子的任何成分.
你可以这样看：
Aluminum remained unknown until the nineteenth century,because nowhere in nature is it found free,owing to its always being combined withother elements【most commonly with oxygen】for which it has a strong affinity.
那个for which 就是直接接在elements 后面的,for which 是解释“它为什么这么稳定”的原因,而most commonly with oxygen 是对elements 前的一句话的补充说明.
翻译：铝元素直到19世纪才为人所知,因为自然界找不到单质铝,这是由于它总是和其他元素结合在一起,通常是和氧元素结合,这就是它有很强的化合能力的原因.
这一个短语属于定语补足语，修饰前面的owing to its always being combined with other elements.
most commonly with oxygen这是插入语，补充说明前面的its always being combined with other elements
整句话的意思就是
铝直到十九世纪才被发现。因为铝从不在自然界单独出现，它极其不稳定，总是与其它元素共存一体，比如氧化铝。
补语，对 combined with other elements 进行补充说明