The counter 2回 is used for counting: 2 times / occurrences (Category: 回 (kai) - Times/Occurrences, JLPT N4). 二 (ni) + 回 (kai) is regular. No sound changes are triggered.
Context Example
週に2回ジョギングします。
Shuu ni nikai jogingu shimasu.
I go jogging twice a week.
Which counter represents "2 times / occurrences"?
Correct! 🎉
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