The video owner has disabled playback on external websites.

This video is no longer available on YouTube.

This video cannot be played right now.

Watch on YouTube

解锁AI学习工具

注册即可使用强大工具，帮助你从每个视频中更快地学习。

场景解析 短语猎手 词卡复习 跟读练习 语音回放
免费注册
B1 中级 英语 5:32 Educational

The science of laughter - Sasha Winkler

TED-Ed · 1,620,032 次观看 · 添加于 2 个月前

学习统计

B1

CEFR 等级

5/10

难度

字幕 (77 片段)

00:07

Isn’t it odd that, when something’s funny,

00:10

you might show your teeth, change your breathing,

00:13

become weak and achy in some places, and maybe even cry?

00:18

In other words, why do we do this bizarre thing that is laughter?

00:24

When you laugh, your abdominal muscles contract rapidly.

00:28

This alters your breathing patterns,

00:30

increasing the pressure in your chest cavity, and pushing air out,

00:34

which might audibly emerge as a snort, wheeze, or vocalization.

00:40

Because you’re exerting your abdominal muscles much more

00:43

than you usually would while talking,

00:45

they may start to hurt.

00:47

Laughter also inhibits your reflexes and muscle control,

00:51

causing sensations like leg weakness.

00:54

So, where does this funny phenomenon come from?

00:58

Because there’s no archaeological record of laughter,

01:01

it’s impossible to say exactly how and why it evolved,

完整字幕可在视频播放器中查看

用练习题学习

从这个视频生成词汇、语法和理解练习

词汇与语法 理解测验 雅思考试 写作练习
注册开始练习

评论 (0)

登录后评论
还没有评论。成为第一个分享想法的人！

注册解锁全部功能

追踪进度、保存词汇、练习题目

免费注册 登录

相关视频

Breaking Bad Season 4: Episode 12: Jesse confronts Walt about Brock (HD CLIP)

B1 5:06

Grace being a Foodie for 15 minutes straight | Will & Grace

B1 15:07

Jon Snow vs Ramsay Bolton - Fight Scene | Game of Thrones 6x09 HD

B1 3:31

The Queen Had No Idea Who Kit Harington Played On Game Of Thrones | The Graham Norton Show

B1 2:25

Romeo + Juliet (1996) - Love at First Sight Scene (1/5) | Movieclips

B1 2:41
TED-Ed

TED-Ed

免费开始学语言

免费注册