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許多酶如不外加一種叫做輔助因子的非蛋白質物質就不能工作.用英語怎么說？

許多酶如不外加一種叫做輔助因子的非蛋白質物質就不能工作.

Many enzymes will not work without the presence of an additional nonprotein substance called a cofactor.

many

adj. 許多，多的；pron. （與復數動詞連用）大多數人；

例句
There are many people who still find the act of abortion abhorrent.
仍有很多人對墮胎行為表示厭惡。

enzymes

n. <生化>酶( enzyme的名詞復數 )；

例句
...the ability of these enzymes to degrade cellulose.
這些酶降解纖維素的能力

will

n. 愿意，意志（力），[法]遺囑；vt. 決心要，將（財產等）遺贈某人，用意志力驅使（某事發生）；vi. 愿意，希望，想要；

例句
He will be keeping abreast of the news...
他將時刻關注最新消息。

not

adv. 不，[用以表示否定、否認、拒絕、禁止等]不是，幾乎不，未必，沒有[用于否定后面的詞或短語]；

例句
It became very clear that the incident was not just an aberration, it was not just a single incident.
事實已經很清楚，這件事不是偶發的，它并不是一起孤立的事件。

work

vt.& vi. 使工作，使運作，操作，使產生效果；n. 工作，操作，著作，工廠，行為，事業；vt. 使工作，操作，經營，使緩慢前進；

例句
Most people have very little difficulty in seeing why a Van Gogh is a work of genius.
多數人不難理解為什么凡·高的作品是天才之作。

without

adv. 在外部，戶外，缺少，沒有或不顯示某事物；prep. 沒有，缺乏，在外面；conj. 除非，如果不；

例句
We shall strike hard, without flinching, at terrorists and those who abet them.
我們要毫不退縮地嚴厲打擊恐怖分子及其幫兇。

the

art. 指已提到的人（物），指說話人與聽者已知的人（物），用于獨一無二的事物前，與形容詞最高級和序數詞連用；

例句
He did have a real knowledge of the country...
他對該國的確知之甚多。

presence

n. 出席，到場，存在，出現，風采，風度，鬼魂，神靈；

例句
The presence or absence of clouds can have an important impact on heat transfer...
有無云層對熱量的傳遞會產生重要的影響。

of

prep. 關于，屬于…的，由…制成；aux. 助動詞 [非標準用語、方言] =have [主用于虛擬語氣]；

例句
He did have a real knowledge of the country...
他對該國的確知之甚多。

an

art. 一（在元音字母前代替不定代詞a），一任一某一，一個；

例句
He started eating an apple...
他開始吃蘋果。

additional

adj. 額外的，附加的，另外的，追加的，補充，外加；

例句
The US is sending additional troops to the region...
美國正向該地區增兵。

substance

n. 物質，材料，實質，內容，[神]靈，（織品的）質地；

例句
This is how we see our tasks, and the substance and content of our work for the forthcoming period.
這就是我們對工作任務的看法，以及下一階段我們工作的實質與內容。

called

v. 叫( call的過去式和過去分詞 )，通電話，認為，估計；

例句
He has also called for an acceleration of political reforms.
他同時呼吁加快政治改革的步伐。

cofactor

n. 余因子，代數合取，余因數，輔因子；

例句
Magnesium is involved as a cofactor in many enzyme transfers.
鎂是許多酶轉變的輔助因素.

...the spiralling vortex airflow that slows the plane.
使飛機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。

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;疼愛兒子的, 趁早管教.

For further information, please contact 414 3925, extension 2253.
詳情請致電414 3925,轉分機2253。

He sat there while I made the case for his dismissal...
他坐在那兒，聽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在很多人看來是可信的。

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.
追索權當有支付義務的第一方不能支付時，可以向商業票據的背書人要求支付的權力。

She is deeply penitent.
她深感愧疚。

The king was infamous for his guilt of many infamies.
那個國王因罪惡多端而臭名昭著.

The paint on these walls gradates but you don't see it.
墻壁上的顏料在逐漸變化,但你無法察覺.

The main beneficiaries of the will are the deceased's family.
遺囑的主要受益人是死者的家庭成員.

I could see the greyish feathers of its flanks.
我看見了它兩脅間斑白的羽毛.

Therefore, the legitimation of these regulations becomes an arguable issue.
因此這些管制的合法化就變成了爭論的議題.

Dingxi Prefecture is located in the foothill of the Loess Plateau climate is arid or semi - arid.
位于黃土高原丘陵溝壑干旱半干旱區的甘肅省定西地區,面臨生態惡劣和經濟貧困的雙重危機.

This suitcase will serve for a seat.
這只旅行箱可以用作座椅。

Take the water ere the clock strikes twelve.
在12點前取水。