It is thought that most of the dead were migrants.

据说，大多数死者都是移民。

It is thought that a case detected in Texas was probably transmitted through sex.

在美国德州也发现一例疑似由性接触感染的病例。

In fact, it is thought that a meteor killed the dinosaurs millions of years ago.

事实上，有人认为在数百万年前就是一块陨石造成所有的恐龙灭绝。

It is thought that changes to traditional gender roles might be the cause of the shift.

据说，或许传统性别角色的改变导致了上述平均寿命的变化。

It is thought that the conditions in this lake basin may have been favorable to life.

据信，该湖泊盆地的条件可能对生命（形成）有利。

It is thought that perhaps story-tellers in India first made them up - how long ago nobody knows.

人们认为，也许是印度的说书人首先杜撰了这些故事——没人知道这是多久以前的事了。

But it is thought that this mask might have been one of the ones that Picasso saw.

但是这个面具被认为可能是当时毕加索看到的其中一个。

From this, it is thought that the west first came into contact with China in around 200 BCE.

由此可见，西方最早与中国接触是在公元前 200 年左右。

It is thought that they were first put down in writing about a thousand years ago in Persia.

据认为，它们是在大约一千年前的波斯首次以书面形式记录下来的。

Also it is thought that she offended Gay by laughing at him.

人们还认为她嘲笑盖伊冒犯了他。

It is thought that girls have more language ability than boys.

人们认为女孩的语言能力比男孩强。

It is thought that man's ability to learn languages makes him different from the animals.

人们认为人类的语言学习能力使其区别于动物。

It is thought that  thousands of Jews died during this time due to massacres and other forms of persecution.

据认为，在此期间，成千上万的犹太人死于屠杀和其他形式的迫害。

In the wild it is thought that the koala lives for about ten years, although koalas in zoos may live for 20 years.

一般认为野生的考拉的寿命是十年左右，但动物园的考拉能活到二十年。

Well, in 1908, Kikunae Ikeda identify a fifth 'taste'. and it is thought that MSG intensifies this naturally occurring 'taste' in some food.

在1908年，池田菊苗发现了第五种味道。味精很自然地加强了一些事物的味道。

It is thought that an ice age could start from a single unseasonal summer. The leftover snow reflects heat and exacerbates the chilling effect.

冰川期被认为开始于某个季节反常的夏天，未融化的雪反射了热量，加剧了寒冷的效果。

Although hard numbers are difficult to come by, it is thought that the military space budget has matched or exceeded NASA's every year since 1982.

尽管确切数字难以获得，但据说自1982年以来，美国每年的军事空间计划预算一直等同或超过美国航空航天局的预算。

Well, in 1908, Kikunae Ikeda identified a fifth " taste" . And it is thought that MSG intensifies this naturally occurring " taste" in some food.

1908年池田菊苗发现了一种新味道-味精。味精大大提高了一些食品中自身含有的味道。

We're not entirely sure how the stones were transported but it is thought that they were dragged on wooden rollers and loaded onto rafts where possible.

我们不完全确定这些石头是如何运输的，但人们认为它们是用木辊拖动的，并尽可能装在木筏上。

It is thought that if the brain is busy focusing on many aspects of a task, then it has to spread its resources, and pays less attention to time passing.

科学家们认为如果大脑忙于关注一项任务中的多个方面，那么它不得不分散注意力，这样就不太会注意到时间的流逝。