墨西哥的白化鲸 – 第 2 级

12-10-2023 15:00

白化病是指动物或人类天生只有极少量的黑色素或没有黑色素,而黑色素是皮肤的颜色来源。

人们可以在哺乳动物、鸟类和爬行动物身上看到这种现象,但很少在海洋哺乳动物身上看到,直到 2008 年至 2009 年墨西哥附近的灰鲸迁徙季节。

在那个季节,专家们看到了一头年幼的白化鲸。现在,专家们在研究太平洋沿岸的灰鲸时,又看到了这头白化鲸。它和它的孩子一起游泳,孩子的颜色是正常的。

您可以在三级部分观看原始视频。

野外还发现过哪些白化动物?

LEARN 3000 WORDS with CHINESE IN LEVELS

Chinese in Levels is designed to teach you 3000 words in Chinese. Please follow the instructions
below.

How to improve your Chinese with Chinese in Levels: 

Reading

  1. Read two news articles every day.
  2. Read the news articles from the day before and check if you remember all new words.

Listening

  1. Listen to the news from today and read the text at the same time.
  2. Listen to the news from today without reading the text.

Writing

  1. Answer the question under today’s news and write the answer in the comments.