AI stands for artificial intelligence and RA stands for remote assistance.

AI代表人工智能，RA代表远程协助。

But “la” and “ra” are phonemes that do not exist in the Japanese language.

但是“la”和“ra”是语存在音素。

In undergraduate school, I was a resident assistant, which is known as an RA.

在本科阶段，是一名研究助理，也就是所谓 RA。

A resident assistant or RA, this is a position at a college or university in a dorm.

研究助理或 RA，这是一个在学院或大学宿舍里职位。

But the Japanese R-sound “ra” is actually closer to our L-sound “la” than it is to the English " ra" .

但是语 R 音“ ra ”实际上更接近 L 音“ la ”，而是英语“ ra ”。

We were friends, I was his RA.

们是朋友， 是他 RA。

So the tongue root, the back of the tongue, comes up for 'ra, ra, ra.'

所以舌根，舌后部，出现“ra， ra，ra” 。

Ra, ra, ra, what a tragedy, here comes the motivator!

啦啦啦， 悲剧，动力来！

Get it, get it, ra--, ra-- I don't get it.

明白，明白，ra--, ra-- 明白。

You're the most legendary RA we've ever had.

你是们这里神一般宿管。

Pilots and controllers sometimes judge these RAs as operationally not required and refer to them as nuisance RAs.

飞行员和管制员有时会认为这些 RA 在操作上是需要，并将其称为滋扰 RA。

RA Pvay she was building a proille.

哇, 她正在建造一个proille。

Lida ra, lida ra, and then you bring the tongue up for another L, lee, and then end it with a high E.

/ˈlɪtərəli/，然后你把舌头抬起来，发出另一个 L 音，/lee/，然后以一个高 E 结尾。

I was an RA when I went to school here.

以前在这里读书时候也是宿管。

In undergraduate school, i was a resident  assistant, which is known as an RA.

在本科学校，是一名居民助理，也就是众所周知 RA。

When the recording switched to “la la ra” a toy to the side would light up and play a musical tune.

当录音切换到“la la ra”时，旁边一个玩具就会亮起来，并播放音乐。

So you can start with: " da" ; now say: " ra" .

所以你可以从：“da” 开始； 现在说：“ra” 。

Again, I, kind of, wrote some brief notes here, you know, foramen ovale, RA to LA 'cause fetal lungs don't work.

同样地，在这里写一些简短笔记，你知道，卵圆孔，从 RA 到 LA，因为胎儿肺起作用。

A resident assistant or RA, this is a  position at a college or university in a dorm.

住宿助理或 RA，这是学院或大学宿舍职位。

TA is common during flight. We sometimes receive TA alerts. But I never encounter RA during flight.

TA 在飞行过程很常见。们有时会收到 TA 警报。但在飞行过程从未遇到过 RA。