คำศัพท์ที่ใช้คันจินี้ | Common Words

• 筒 つつ pipe; tube; cylinder
• 円筒 えんとう cylinder
• 気筒 きとう cylinder
• 封筒 ふうとう envelope
• 筒井 つつい round well
• 水筒 すいとう canteen; flask; water bottle
• 井筒 いづつ well curb; well kerb
• 発煙筒 はつえんとう smoke bomb; smoke candle
• 筒抜け つつぬけ being heard (by others); being overheard; being leaked (of plans, secrets, etc.)