Hydrogen arsenide released unavoidably during electrowinning with copper electrolyte purified conventionally pollutes the environment seriously.是什么意思？

Hydrogen arsenide released unavoidably during electrowinning with copper electrolyte purified conventionally pollutes the environment seriously.

传统的铜电解后液净化方法电积时不可避免地析出砷化氢,严重污染环境.

hydrogen

n. <化>氢；

例句
They'd have a lot of hydrogen sulfide gas bound up in their cells.
他们的牢房里有大量的硫化氢气体。

arsenide

n. 砷化物；

例句
Hydrogen arsenide released unavoidably during electrowinning with copper electrolyte purified conventionally pollutes the environment seriously.
传统的铜电解后液净化方法电积时不可避免地析出砷化氢,严重污染环境.

released

v. 释放( release的过去式和过去分词 )，放开，发布，发

例句
At 3.30 p.m. a bulletin was released announcing that the president was out of immediate danger.
下午3点30分发布了公告，称总统已经暂时脱离危险。

unavoidably

--

例句
Fran began her automatic patter about how Jon had been unavoidably detained.
弗兰开始不由自主地唠叨起乔恩是怎样无可避免地被扣留的。

during

prep. 在…的时候，在…期间，当…之时，其间；

例句
...the accrual of funds used during construction.
建设过程中资金的累积

electrowinning

n. 电积金属法，电解冶金法；

例句
The process of chlorine leaching - purification - electrowinning for nickel extractioncopper residue is investigated.
研究通过氯气浸出 - 净化 - 不溶阳极电积法生产电镍的工艺过程.

with

prep. 和，跟，随着，关于，和…一致；

例句
A waiter entered with a tray...
侍者端着托盘进来了。

copper

n. 铜，铜币，紫铜色，警察；adj. 铜制的；vt. 镀铜；

例句
Bronze is an alloy of copper and tin...
青铜是铜和锡的合金。

electrolyte

n. <化>电解液，电解质；

例句
Copper arsenite prepared from waste acid containing arsenic was applied in copper electrolyte purification.
利用含砷废酸制备亚砷酸铜,并将所得亚砷酸铜应用到铜电解液的净化.

purified

adj. 纯化的；v. 使纯净，使洁净( purify的过去式和过去分词 )；

例句
Only purified water is used.
只使用纯净水。

conventionally

adv. 按照惯例，照常套，照老例；

例句
America conventionally attaches a rider to Israeli aid, to the effect that it must not be used in the occupied territories.
美国按照惯例在对以色列的援助中提出了附加条款，大意是该援助不能用于被占领地区。

pollutes

v. 污染( pollute的第三人称单数 )，腐蚀；

例句
Heavy industry pollutes our rivers with noxious chemicals...
重工业产生的有毒化学品会污染我们的河流。

the

art. 指已提到的人（物），指说话人与听者已知的人（物），用于独一无二的事物前，与形容词最高级和序数词连用；

例句
He did have a real knowledge of the country...
他对该国的确知之甚多。

environment

n. 环境，外界，周围，围绕，工作平台，（运行）环境；

例句
Even in the artificial environment of an office, our body rhythms continue to affect us...
即使是在办公室这样的非自然环境中，我们的人体生物钟依然影响着我们。

seriously

adv. 认真地，严肃地，严重地；

例句
Any aspirant to the presidency here must be seriously rich...
要想当这儿的主席一定要家财万贯。