It's really cool how her voice can go from like really low to really high.

她的声音高低切换自如，真的很酷。

Intonation is the melody of our speech. It's how our voice goes up and down in pitch.

语调是我们语言的旋律。它是我们的声音在音调上的升高与降低。

Margaret went on, her voice quivering with anguish.

玛格丽特继续说下去， 她的声音因痛苦而颤抖。

Hank. Hank definitely has stress it's an up down shape as his voice goes up.

汉克。汉克肯定有压力，随着他的声音上升，这是一个上下的形状。

It's also important that your voice goes up and down and doesn't sound too flat.

同样重要的是，你的声音上下起伏，不要听起来太平淡。

Last but not least is Mai's intonation, she does intonate, which means that her voice goes up down as she gives her responses.

最后，但同等重要的是 Mai 的语调，她确实有语调变化，这意味着她在回答问题时声调会上升下降。

Hugh says, " I've never seen you like this before." I guess Hugh was very excited, 'cause his voice went up there!

Hugh 说， “我以前从没见过你这样。 ” 我猜 Hugh 很兴奋，因为他的声音提高了！

And that's the problem, because if you have one voice going and then another voice is going, what you're actually doing is carrying on two conversations -- and you get confused.

那么问题来了，假设妳听到一个声音在说话，同时另一个声音也在说，你实际上就在同时搞定两个对话 — 然后你会很迷茫。