The counter 6本 is used for counting: 6 bottles/pencils (long/thin objects) (Category: 本 (hon) - Long/thin objects, JLPT N4). 六 (roku) contracts with 本 (hon) to form 'roppon' with a double consonant and p-sound change.
Context Example
ジュースを6本買いました。
Juusu o roppon kaimashita.
I bought six bottles of juice.
Which counter represents "6 bottles/pencils (long/thin objects)"?
Correct! 🎉
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