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筒
pipe · tube · cylinder · barrel
N2On: とうKun: つつ
Memory Aid
'TOU' — Think of a TOU-be made of bamboo.
The kanji looks like bamboo (竹) growing uniformly (同) into a straight, hollow tube or pipe.
Vocabulary
筒つつtube; pipe; cylinder
封筒ふうとうenvelope
水筒すいとうwater bottle; canteen
円筒えんとうcylinder (geometric shape)
Example Sentences
紙を丸めて筒にしました。
I rolled up the paper and made it into a tube.
この手紙は封筒に入れてください。
Please put this letter in an envelope.
彼はいつも水筒を持ち歩いています。
He always carries a water bottle with him.
その機械には円筒状の部品が使われています。
Cylindrical parts are used in that machine.