A paper container designed to hold letters or documents, typically sealed to protect the contents inside.
A protective sleeve used for enclosing written correspondence, often featuring a closure to secure its contents.
A flat, flexible item made from paper, specifically created for mailing written messages or important papers.
Example:
だれがこの封筒を破って開けたのか。
A container designed for carrying beverages, allowing for easy transport and access to drinks on the go.
A portable vessel, often insulated, used to store liquids, primarily for outdoor activities or travel.
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。
A cylindrical object that is long and hollow, typically with a round cross-section, used for various purposes such as storage or conveying materials.
The barrel of a firearm or artillery piece, characterized by its role in directing and containing the projectile during firing.
An object shaped like a tube, which may serve different functions, such as a container for substances or a structural component in various contexts, including traditional craft and construction.
The condition in which spoken words or confidential information are easily heard or become known to others, losing their intended privacy.
The act of information or conversations passing through without being retained or acknowledged, often implying disregard or inattention.
A situation where there is a complete lack of barriers, allowing sounds or information to flow freely and unobstructed, akin to the idea of a container with an open bottom.
A three-dimensional geometric shape characterized by a circular base and straight, parallel sides, often used in various applications such as containers or structural elements.
An object or form that is shaped like a tube, having a consistent diameter along its length, commonly utilized in engineering and design.