The courier refused the parcel because its protuberant sides suggested the contents were damaged.

快遞員拒收那個包裹，因為它鼓起的側面顯示內容物可能已受損。

Please avoid placing protuberant items in the overhead bin, as the door may not close.

請避免將凸出的物品放進頭頂置物櫃，否則櫃門可能關不上。

The new office chairs have a protuberant lumbar cushion that supports employees during long meetings.

新的辦公椅配有凸出的腰靠墊，能在長時間會議中支撐員工的背部。