すいとう水筒suitou
1.
A container designed for carrying beverages, allowing for easy transport and access to drinks on the go.
2.
A portable vessel, often insulated, used to store liquids, primarily for outdoor activities or travel.
3.
An object used to hold and preserve drinkable liquids, typically equipped with a cap or lid to prevent spillage during movement.
Example:
水筒にはほとんど水が残っていない。