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JLPT est: 2
School grade: Highschool
Stroke count: 12
Meanings: cylinder, pipe, tube, gun barrel, sleeve
Readings: つつ, トウ

Vocab lookup:
Level 4 vocabulary
(n) envelope/ (P)
Level 2 vocabulary
(n) canteen/ flask/ water bottle/ (P)
Level 1 vocabulary
(n) pipe/ tube/ (P)

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