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B1 中级 英语 8:41 1,329 单词 Science & Tech

This Island Might Help Us Understand The Origins of Life

SciShow · 206,525 次观看 · 添加于 2 个月前

AI摘要

这个科学视频讲述了苏尔特塞的迷人故事——1963年在冰岛海岸出现的一座火山岛,以及科学家如何研究它来理解生命如何在新陆地上定居。学习者将接触到与火山学、生物学和科学观察相关的词汇,包括火山喷发、殖民化和生态系统发展等术语。生动描述的引人入胜的叙事帮助B1级别的学习者练习理解英语科学叙事写作。

学习统计

B1

CEFR 等级

1,329

总词数

614

独特词汇

5/10

难度

词汇多样性 46%

字幕 (73 片段)

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00:00

Early in the morning on November 14th, 1963,  sailors on a fishing boat off Iceland's southern   coast were enjoying a cup of hot coffee when  they caught a whiff of something weird.

00:12

Sulfur. They couldn't figure out where  the smell was coming from.

00:15

The cook wasn't making eggs. The ship's motor wasn't malfunctioning.

00:20

And Magnus hadn’t eaten beans that night.

00:23

It wasn't until dawn broke when  they saw the source of the smell.

00:27

Off in the distance, an ominous column  of smoke billowed from the seasurface.

00:32

Turns out, it wasn't really smoke,  but a volcanic plume of ash and   gas—including sulfur—that emanated from  a volcano erupting on the seafloor.

00:41

It took less than a day for the puffs of sulfurous  smoke to rapidly grow 10 meters above the water,   creating the brand new island that the  Iceland Naming Committee called Surtsey.

00:53

While it didn’t look like much then, that island  has turned out to be a Godsend for scientists.

00:59

It has given them a rare opportunity to study   everything from how ecosystems evolve  on new land to the origins of life.

01:07

And they're still learning  new things about it today.

01:11

[♪ INTRO]

01:14

For starters, a volcanic eruption off the  coast of Iceland isn’t exactly shocking,   because the whole country sits along a  feature called the mid-Atlantic ridge.

01:24

This is where tectonic plates  pull apart from one another,   causing hot rocks to rush upward,  and sparking volcanic eruptions.

01:32

When hot lava meets water,  the results are explosive.

完整字幕可在视频播放器中查看

核心词汇 (15)

you A1 pronoun

你是一个好人。(You are a good person.)

until A1 noun

“直到”用于描述持续到特定时间点然后停止的情况或动作。

hot A2 adjective

今天天气很热,请记得带遮阳伞。

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