Father: How many times in a row can you say “rubber baby buggy bumpers”?
Son: Rubber baby buggy bumpers!
Father: That’s once.
Son: Rubber baby buggy bumpers!
Father: That’s twice.
Son: Rubber baby buggy bumpers!
Father: That’s thrice.
Son: Rubber beggy bupper buggers!
Father: Three times!

Usually we count: once, twice, three times, four times, etc. But you might sometimes hear “thrice” for “three times”. (“Rubber baby buggy bumpers” is an English tongue twister.)

父:「Rubber baby buggy bumpers」は何回続けて言える?
息子:Rubber baby buggy bumpers!
父:1回…2回…3回。3回だね!

普通は1,2,3回を「once, twice, three times」と数えます。たまには「3回」という意味の「thrice」も聞くかもしれません。(「Rubber baby buggy bumpers」は英語の早口言葉です。)