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

AI代表人工智能，RA代表助。

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

但“la”和“ra”日语中不存在音素。

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

在本科阶段，一名研究助理，也就所谓 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" .

但日语中 R 音“ ra ”实际上更接近 L 音“ la ”，而不英语中“ ra ”。

We were friends, I was his RA.

朋友， 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， 悲剧了，动力来了！

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

明白了，明白了，ra--, ra-- 不明白。

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

你这里神一般宿管。

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 在操作上不需要，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宿管。

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

在本科学校，一名居民助理，也就众所周知 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，在这里写了一些简短笔记，你知道，卵圆孔，从 RA 到 LA，因为胎儿肺不起作用。

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 在飞行过中很常见。有时会收到 TA 警报。但在飞行过中从未遇到过 RA。