筒 : cylinder, tube

Readings

• とうtouon'yomi
• つつtsutsukun'yomi

How to remember it

TSUTSU, look straight through the hollow metal cylinder!

Example sentence

封筒を開ける。

To open an envelope.

Compound words

• 水筒suitouwater bottle
• 円筒entoucylinder
• 竹筒takezutsubamboo tube

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