The state sees around 50 twisters per year.

个州每年大约有50次龙卷风。

And to wrap it up, let's do a tongue twister.

最后，我一个绕口令总结今天的课程。

So, that's just a few tongue twisters.

只是几个绕口令。

And when you say these tongue twisters, say them as if they mean something.

你在念绕口令时，念些有意义的句子。

Put your 'th' tongue twisters right down in the comments and let's practise!

把你的“th”绕口令写在下方的评论区，让我一起练习吧！

Pick three to five tongue twisters every day and practice them a few times.

每天选三到五个绕口令，练习几次。

Okay and what's a tongue twister in Hebrew that you can share with me?

好的，有什么希伯语绕口令可以和我分享？

So in a 1982 study, researchers told participants to silently read tongue twisters.

所以在1982年的一项研究中，研究人员让参与者默读绕口令。

And this was one of the first tongue twisters that we had to say out loud.

是第一个我必须大声说出的绕口令。

When they finally locate a twister, they measure it using special tools.

一旦他现了龙卷风，就会特殊工具进行测量。

Twisters caused severe damage across the south Tuesday.

周二的龙卷风对南部地区造成严重破坏。

Their state is located in tornado alley a region of the U.S. that sees the most twisters.

该州位于龙卷风通道上，里是美国遭遇龙卷风最多的地区。

Tongue twisters are another really great way to practise.

绕口令是另一种非常好的练习方式。

So tongue twisters are phrases that twist your tongue.

所以绕口令是让你的舌头打结的短语。

We've all been tripped up by tongue twisters.

我都被绕口令绊倒过。

I had a very bad experience that was like I experienced a twister when I was a kid.

我有过非常糟糕的经历，我小时候经历过龙卷风。

All right, a tongue twister is this ongoing work, ongoing process, okay?

一个绕口令就是个正在进行的工作，正在进行的过程，好吗？

So possibly we should be calling them brain twisters.

所以我可能应该称他为脑筋急转弯。

The National Weather Service says at least 50 twisters were reported.

国家气象局称，至少生了50次龙卷风。

And ten tongue twisters later, we've got a completed heme.

在十个绕口令之后，我就得到了完整的血红素。