Do girls don’t orgasm at once?

Sorry if this is weird but since I’m 17 I don’t know where else to ask😭. So I’ve talked to 3 different girls about it and they all had had long term boyfriends and sexual experience, and they all said girls don’t have an intense orgasm lasting a few seconds but rather "it feels pretty good“ for the whole time of sex. My question is: is this true or have they just never gotten to orgasm? Thanks!