Say

https://ss64.com/osx/say.html
Voices: https://gist.github.com/mculp/4b95752e25c456d425c6

say your text
say -v Victoria your english text
say -v Monica your spanish text

spd-say

See also

• Sound notifications: tput bel, paplay, echo -e '\a', printf '\7', osascript -e 'beep 1', afplay, ping -a, say, ntfy.sh, bip (alias)