定義 / Definition
[noun]
・a solid piece of material (such as rock or wood) that has flat sides and is usually square or rectangular in shape.
・a large quantity or allocation of things regarded as a unit.
・an obstacle to the normal progress or functioning of something.
・a flat area of something, especially a solid area of colour.
[verb]
・make the movement or flow in (a passage, pipe, road, etc.) difficult or impossible.
・impress text or a design on (a book cover).
— その他 例文 —
The wall is made of concrete blocks.
その壁はコンクリートブロックでできている