Question

求大神 这个句子的结构是什么 并且翻译一下

the oxygen isotope ratio of the ocean changes as a great deal of water is withdrawn from it by evaporation and is precipitated as snow to form glacial ice.

Answer 1

【isotope】
isotope
[英][ˈaɪsətəʊp][美][ˈaɪsəˌtop]n.[化]同位素
相关例句
*.1. Lasers promise to change this by making isotope separation easier, and cheaper.
激光可以改变这种局面，从而使同位素分离变得比较容易、比较廉价一些。
【ratio】
ratio
英['reɪʃiəʊ]美['reɪʃioʊ]
n.比率；比例
例句与用法
用作名词 (n.)
The ratios of 1 to 5 and 20 to 100 are the same.
1与5之比和20与100之比相同。
Men outnumber women here in the ratio of three to one.
此地男子数量以三比一超过女子。
【oxygen】
oxygen
[英]['ɒksɪdʒən][美][ˈɑksɪdʒən]
n.[化]氧，氧气

the oxygen isotope ratio of the ocean 【subject】
海洋中氧的同位素比例【主语】

changes 【谓语】
发生改变

as a great deal of water is withdrawn from it by evaporation
当大量的水由于蒸发而被天空取走【状语①】

and is precipitated as snow to form glacial ice.
或者被冷凝成雪进而形成冰川雪。【状语②】

【precipitate】
precipitate[英][prɪ'sɪpɪteɪt][美][prɪˈsɪpɪˌtet]vt.下掷，由高处抛下；使提前或突然发生；[气象] 使凝结而下降；[化]使沉淀vi.[气象]凝结；[化]沉淀；倒落，一头栽下adj.仓促行进的，匆促的；轻率的，冲动行事的水蒸气，降水；突然发生的n.[化]沉淀物；结果，产物