Unpressed clothes have not been ironed (= made flat and smooth using a piece of equipment called an iron, that has a handle and a flat base and is usually heated with electricity).

His shirt was clean, but unpressed. 他的衬衫很干净，但没有熨烫。

An unpressed cheese does not have something heavy put on it during preparation to make it firm or to form it into a shape.

Saint-Marcellin is an uncooked and unpressed cheese from the Isère Valley. 圣马塞兰奶酪是一种来自伊泽尔山谷的未经压榨的生奶酪。