『新东方在线托福听力』为托福考生准备了ETS托福TPO/【学术讲座】#47听力练习：Why does the speaker mention"human-made obstacles"?原文题目答案解析，TPO/【学术讲座】#47听力原文范文音频翻译。

托福TPO/【学术讲座】#47听力原文Why does the speaker mention"human-made obstacles"?【新东方在线】

男：动物迁徙现象是生物学中一个迷人的课题。

Man: The phenomenon of animal migration is a fascinating subject in biology.

迁徙涉及动物有规律的、通常是季节性的从一个地区到另一个地区的移动，通常是为了寻找食物、繁殖地或更适宜的气候。

Migration involves the regular, often seasonal movement of animals from one region to another, typically in search of food, breeding grounds, or better climates.

这种行为在各种各样的物种中都能观察到，包括鸟类、哺乳动物、鱼类和昆虫。

This behavior is observed in a wide variety of species, including birds, mammals, fish, and insects.

最著名的例子之一是帝王蝶的迁徙。

One of the most well known examples is the migration of monarch butterflies.

这些蝴蝶为了躲避寒冷的冬天，从北美飞行数千英里到达墨西哥中部。

These butterflies travel thousands of miles from North America to central Mexico to escape the cold winter.

这段旅程涉及多代蝴蝶，因为没有哪一只蝴蝶能完成整个往返行程。

This journey involves multiple generations, as no single butterfly makes the round trip.

另一个显著的例子是座头鲸的迁徙。

Another remarkable example is the migration of humpback whales.

这些庞大的生物从极地水域的觅食地游向更温暖的热带地区，在那里交配和产崽。

These massive creatures travel from their feeding grounds in polar waters to warmer tropical regions where they breed and give birth.

像北极燕鸥这样的鸟类进行了最长的迁徙之一，每年从北极飞到南极，再飞回来。

Birds like the Arctic tern undertake one of the longest migrations, traveling from the Arctic to the Antarctic and back each year.

尽管它们在体型、物种和迁徙原因上各不相同，但它们都能精确地完成长距离迁徙。

Despite their differences in size, species and reasons for migrating, they all migrate vast distances with precision.

它们的导航能力就像经验丰富的人类飞行员驾驶跨洲航线一样，只是没有飞机、仪器或GPS。

They navigate like seasoned human pilots flying transcontinental routes, only without aircraft, instruments or GPS.

Of course, migration is not without its challenges.

动物必须在广阔的距离中导航，常常面临捕食者、恶劣天气以及建筑物和道路等人造障碍。

Animals must navigate vast distances, often facing predators, adverse weather and human made obstacles like buildings and roads.

保护栖息地和减少人为干扰有助于维持允许迁徙发生的微妙平衡。

Protecting habitats and reducing human interference can help maintain the delicate balance that allows migration to occur.

理解动物迁徙让我们能够洞察不同物种的复杂行为和生存策略。

Understanding animal migration provides insight into the complex behaviors and survival strategies of various species.

Why does the speaker mention human pilots?

What is unusual about the migration of monarch butterflies?

Why does the speaker mention"human-made obstacles"?

Listen to a talk in a biology class. Man: The phenomenon of animal migration is a fascinating subject in biology. Migration involves the regular, often seasonal movement of animals from one region to another, typically in search of food, breeding grounds, or better climates. This behavior is observed in a wide variety of species, including birds, mammals, fish, and insects. One of the most well known examples is the migration of monarch butterflies. These butterflies travel thousands of miles from North America to central Mexico to escape the cold winter. This journey involves multiple generations, as no single butterfly makes the round trip. Another remarkable example is the migration of humpback whales. These massive creatures travel from their feeding grounds in polar waters to warmer tropical regions where they breed and give birth. Birds like the Arctic tern undertake one of the longest migrations, traveling from the Arctic to the Antarctic and back each year. Despite their differences in size, species and reasons for migrating, they all migrate vast distances with precision. They navigate like seasoned human pilots flying transcontinental routes, only without aircraft, instruments or GPS. Of course, migration is not without its challenges. Animals must navigate vast distances, often facing predators, adverse weather and human made obstacles like buildings and roads. Protecting habitats and reducing human interference can help maintain the delicate balance that allows migration to occur. Understanding animal migration provides insight into the complex behaviors and survival strategies of various species.

北美留学考试	英联邦留学考试	专业问答
TOEFL	IELTS	雅思专业问答
GRE	A Level	托福专业问答
GMAT	PTE	GRE专业问答
SAT	Interchange	GMAT专业问答
ACT	英本精英计划
AP/SSAT/IB
美高先修课
美本精英计划
美研精英计划