This is the 2301st most frequent Japanese word.
rrr
It seems "rrr" is not a valid Japanese word. Could you clarify or check for typos?
In this sentence, 'rrr' is used mimicking the onomatopoeic sound that the machine makes.
その機械はrrrという音を立てて動き始めた。
The machine started moving with a sound, 'rrr'.
Here, 'rrr' represents the name of a specific action or technique.
私は彼にrrrという特殊な動作を教えた。
I taught him a unique motion called 'rrr'.
In this instance, 'rrr' signifies a concept or term relevant to the situation being discussed.