The counter 1本 is used for counting: 1 bottle/pencil (long/thin object) (Category: 本 (hon) - Long/thin objects, JLPT N5). 一 (ichi) merges with 本 (hon) to form 'ippon' with a double consonant (sokuon) and p-sound sound change.
Context Example
ビールを1本買いました。
Biiru o ippon kaimashita.
I bought one bottle of beer.
Which counter represents "1 bottle/pencil (long/thin object)"?
Correct! 🎉
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