1.A number of factors converge to create the lake's seemingly everlasting storms.

几个条件的共同作用导致了 这个湖泊似乎永不停歇的暴风雨。

2.So there is what's inside and what is outside, and here is the key point.

所以内部和外部两个因素共同作用就是关键。

3.That seems to be a combination of climate change and bad ocean chemistry.

这似乎是气候变化和不良海洋化条件共同作用的结。

4.It is believed that a cocktail of genetic, environmental and psychological factors contributes towards autism.

人们认为，遗传、环境和心理因素共同作用导致了自闭症。

5.Because power is the result of several factors, it's a very complicated subject.

因为权力是多种因素共同作用的结，所以它是一个非常复杂的话题。

6.So together there's uncontrolled cell division which can give rise to a tumor.

前述二者共同作用下，会导致细胞分裂不受控制，进而可能产生肿瘤。

7.Autism is believed to result from a combination of environmental and genetic factors.

据悉自闭症是由环境和遗传因素共同作用导致的疾病。

8.Researchers say the materials in the concrete worked together to make it stronger.

研究人员表示，该混凝土中的材料共同发挥作用，从而使其变得更坚固。

9.So they all kind of work together to get these amazing color changing effects.

所以，它们的共同作用产生了这些令人吃惊的变。

10.That is likely a result of several factors, analysts say.

分析人员表示这可能是多个因素共同作用的结。

11.Writing style, much like fashion, results from a combination of outside expectations and personal flair.

写作风格和时尚一样，是外界期望和个人风格共同作用的结。

12.They think that several processes work together to produce it - brain chemicals, genes and environment.

他们认为，是几个过程共同作用来导致这种疾病的，即脑化物质、基因和环境。

13.In recent years, several factors have greatly lowered the rate of heart disease in high-income countries.

最近几年，在多个因素的共同作用下，高收入国家的心脏疾病死亡率已幅降低。

14.Together, these trigger an immune response which can fight off invading parasites before the second act.

它们共同作用引发一种免疫反应，在第二次活动前就击退入侵的寄生虫。

15.Together these hormones decrease potassium levels, increase sodium levels, and increase blood volume and blood pressure.

这些激素共同作用降低体内血钾的水平，增加血钠的水平，并提高血容量和血压。

16.What is important is that you understand that English has groups of words that act together.

重要的是你要明白英语是由一些共同作用的单词组成的。

17.The low river levels and high heat brought the water temperature up to nearly 100 degrees Fahrenheit.

在河水的低水位与高温的共同作用下，水温上升到将近100华氏度（约37.8摄氏度）。

18.And because all things have contributed to your advancement, you should include all things in your gratitude.

而且，你还必须清楚地认识到，你的任何进步和成功都是身边其他所有人或事物共同作用的结，所以，你应当始终怀揣着一颗感恩的心来面对这个世界。这才是进步和成功的根本所在。

19.So the two effects, increased demand and the lowered supply are working towards making the fish smaller.

“因此，需求增加和供给减少这两种因素共同作用，会使鱼类体型变小。”

20.It's multiple things that are working in concert that might lead to bears changing physiological states like this.

是多种因素共同作用，可能导致熊改变这样的生理状态。