1. No satisfactory way exists to explain how to form a good idea.
    闪光的思想是如何形成的，现在还没有令人满意的解释。

2. He mentally visualizes a complex form from all round itself;
    他在头脑中从形体的各个方面来摹拟复杂形体.

3. He mentally visualizes a complex form from all round itself;
    他的大脑能从物体周围的各个角度勾画出其复杂的形象，

4. He recognized that the orchestral opening to the "Rhinegold", which he must have carried about within him yet had never been able to put it into form, had at last taken its shape within him.
    他意识到，久存于心中、却始终未能谱写成的《莱茵河的黄金》管弦乐前奏曲终于在他脑海里形成了。

5. Appreciation of sculpture depends upon the ability to respond to form in three dimensions.
    对雕塑的鉴赏力取决于对立体的反应能力。

6. A recent survey of the effects of noise revealed (surprisingly?) that dogs barking incessantly in the night rated the highest form of noise pollution on a scale ranging from 1 to 7.
    最近一个有关噪音的作用的调查（令人吃惊地）指出，夜间连续不断的狗叫声，在一个从1级至7级刻度表上应列为最严重的噪间污染。

7. Asia and Europe form a huge land mass.
    亚洲和欧洲连成一片广大的陆地。

8. A child hears it spoken from morning till night and, what is more important, always in its genuine form, with the right pronunciation, right intonation, right use of words and right structure.
    孩子从早到晚都在听人们说这种语言，而且总是以其真实的形式，并且是正确的发音、正确的语调、正确的用词和正确的结构。

9. All societies have their own form of marriage.
    所有的社会都有它们自己的婚姻形式。

10. Although speech is the most obvious form of communication, we do use other forms of which we may be only partially aware or, in some cases, completely unaware.
    尽管语言是最显而易见的交际形式，但我们确实在使用其他一些交际形式，对于这些形式，我们也许只是部分地意识到了，而在有些情况下我们甚至完全没有意识到。