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小木虫论坛-学术科研互动平台 » 科研生活区 » 专业外语 » 其他 » 求帮忙看看这个句子？
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759986494

金虫 (著名写手)

[求助] 求帮忙看看这个句子？ 已有1人参与

Some conventional remediation methods including phytoremediation , chemical oxidation , and electrochemical remediation have been used in removal of pollutants and have been applied with different degrees of success, but it has been proven that these technologies are low-efficiency and costly in particular the contamination levels are very high。我感觉有两个问题，一个是 have been used in removal of pollutants and have been applied with，这儿我感觉前半段语法是对的  但后半段应该是不对，应该是have applied with还是直接就applied with呢？另外but it has been proven that 这儿，我同学说前面是负数，这儿是单数？不对是不是，但我感觉着个固定表达吧，惆怅了。英语差真要命呀！
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1楼 2013-11-26 08:58:22
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mac194

铁虫 (职业作家)

【答案】应助回帖

greenhand_ku: 应助指数+1, 感谢积极应助 2014-05-25 13:59:28
[ 感谢奖赏 ]

("been used to" = "been in pactice" (没严格规定必须用 "and"
In practice, conventional remediation methods - phytoremediation , chemical oxidation, electrochemical remediation - have proven to be costly and largely ineffective against high pollution.
====
(可把 "methods" 和 "phytoremediation , chemical...." 分开)
Past experience with conventional remediation methods have shown phytoremediation , chemical oxidation, and electrochemical remediation to all be costly and largely ineffective against high pollution.
====
(处理一串性主词的方法) (重复 "all" 用来强调)
Phytoremediation , chemical oxidation, electrochemical remediation... not only are all these conventional remediation methods costly, they are all ineffective against high pollution
====
切记: 尽可能不要用代词 !!
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6楼2014-03-30 07:01:55
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759986494

金虫 (著名写手)
还有 in particular放这儿适合不
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2楼2013-11-26 09:00:15
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befair

铁杆木虫 (正式写手)

【答案】应助回帖

★ ★ ★ ★ ★ ★ ★
感谢参与，应助指数 +1
759986494: 金币+5 2013-11-26 19:30:28
hanches: 金币+2, 热心应助有奖~~~ 2013-11-26 20:22:01
个人感觉but前面的句子没有错，但是有点罗嗦，进入改成下面的就会简洁得多：
Some conventional remediation methods including phytoremediation, chemical oxidation , and electrochemical remediation have been used in removal of pollutants with different degrees of success
这个have been applied with 单独看是有点不对，但这里是 with ...success是固定用法,完全没问题。
有关but it has been proven that， it 指that后面的从句，自然应该是单数没有错，也就是说that 。。。。 是proven的
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Befairorbeaware
3楼2013-11-26 15:08:18
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ustbwgs

木虫 (正式写手)

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★ ★
感谢参与，应助指数 +1
hanches: 金币+2, 感谢应助，BB奖励，欢迎常来本版参与交流~~~ 2013-11-27 09:31:24
Some conventional remediation methods including phytoremediation, chemical oxidation, and electrochemical remediation have been used in removal of pollutants. Although they have been applied with different degrees of success, it has been proven to be low-efficiency, high cost, and serious contamination.
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doingwhatishoulddo!
4楼2013-11-27 00:34:04
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