劍橋詞典used to refer to a leaf or flower that has no stem of its own but is attached directly to the main stem of the plant （花，葉等）無蒂的；無柄的 used to refer to animals that are permanently attached to one spot and cannot move around （動(dòng)物）固著的 sessile sponges 固著海綿動(dòng)物 返回 sessile