changing

n. 替換，變換，轉(zhuǎn)換，變化；

iron

n. 鐵器，鐵制品，熨斗，烙鐵，堅(jiān)強(qiáng)，腳鐐；adj. 鐵制的，含鐵的，堅(jiān)強(qiáng)的，頑強(qiáng)的，殘酷的，堅(jiān)忍不拔的；vt. 熨燙，給…上腳鐐手銬，給…裝鐵具，用鐵鑄成；vi. 熨衣，（衣服等）被燙平；

into

prep. （表示方向）進(jìn)入…中，（表示所屬）輸入，（表示狀態(tài)）進(jìn)入…狀態(tài)，（表示時(shí)間）持續(xù)到；

steel

n. 鋼，鋼鐵，鋼制品，兵器，鋼鐵工業(yè)；vt. 包上或鍍上鋼，使堅(jiān)定；adj. 鋼制的，鋼鐵業(yè)的，堅(jiān)強(qiáng)的，[色彩]青灰色的；

is

vt.& vi. 是（be的三單形式；n. 存在；

process

n. 過(guò)程，工序，做事方法，工藝流程；vt. 加工，處理，審閱，審核；vi. 列隊(duì)行進(jìn)；

of

prep. 關(guān)于，屬于…的，由…制成；aux. 助動(dòng)詞 [非標(biāo)準(zhǔn)用語(yǔ)、方言] =have [主用于虛擬語(yǔ)氣]；

purifying

n. 精制，提純，凈化，精

the

art. 指已提到的人（物），指說(shuō)話人與聽(tīng)者已知的人（物），用于獨(dú)一無(wú)二的事物前，與形容詞最高級(jí)和序數(shù)詞連用；

...the spiralling vortex airflow that slows the plane.
使飛機(jī)減速的螺旋形氣流渦旋

You just go on ahead. I'll come by later...
你只管先往前走。我隨后就來(lái)。

He who spares his rod hates his son, But he who loves him chastens him early.
24不忍用杖打兒子的,是恨惡他;疼愛(ài)兒子的, 趁早管教.

For further information, please contact 414 3925, extension 2253.
詳情請(qǐng)致電414 3925,轉(zhuǎn)分機(jī)2253。

He sat there while I made the case for his dismissal...
他坐在那兒，聽(tīng)我陳述解雇他的理由。

Baroness Thatcher's claims seem credible to many.
撒切爾女男爵的主張?jiān)诤芏嗳丝磥?lái)是可信的。

Nothing to be got without pains but poverty.
一份耕耘，一份收獲。

This decree obliges unions to delay strikes.
該法令迫使工會(huì)推遲罷工。

The right to demand payment from the endorser of a commercial paper when the first party liable fails to pay.
追索權(quán)當(dāng)有支付義務(wù)的第一方不能支付時(shí)，可以向商業(yè)票據(jù)的背書(shū)人要求支付的權(quán)力。

He light - heartedly overlooks some of the basic facts of life.
他輕易地忽略了一些基本生活事實(shí).

You must take all reasonable precautions to protect yourself and your family.
你必須采取一切合理的預(yù)防措施，保護(hù)自己和家人。

She drank some water nerving herself for a more terrible ordeal.
她喝了幾口水,使自己鎮(zhèn)定,準(zhǔn)備應(yīng)付一場(chǎng)可怕的嚴(yán)酷考驗(yàn).

Newspapers record the chief occurrences of the day.
報(bào)紙報(bào)道了當(dāng)天發(fā)生的大事.

Contempt pierces even thraugh the shell of the tortoise.
輕蔑足以刺過(guò)烏龜殼.

Not surprisingly, the members echoed the views of their principals.
毫不奇怪, 小組成員都是根據(jù)他們自己的上司的意見(jiàn)照本宣科.

He panted out his message.
他氣喘吁吁地講出口信.

Words such as " he ", " it ", " who ", and " anything " are pronouns.
" he ", " it ", " who " 和 " anything " 等一類的詞是代詞.

His ear okayed the sounds as the engine warmed up.
他的耳朵聽(tīng)出發(fā)動(dòng)機(jī)預(yù)熱時(shí)發(fā)出的聲音是正常的.

The necessary work was parcelled up into a number of work packages.
必要的工作都被打包成了多個(gè)工作包.

The play was so regularly performed that there was no need of written prompts.
這戲經(jīng)常演出,沒(méi)必要使用書(shū)面提示.

It took several pails of water to put out the fire.
用了好幾桶水撲滅了火.

I can live for two monthlies on a good compliment.
只憑一句贊美的話我就可以充實(shí)地活上兩個(gè)月.

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Changing iron into steel is a process of purifying the iron.是什么意思？

Changing iron into steel is a process of purifying the iron.

把鐵煉成鋼是鐵的精煉過(guò)程.