sag

下垂、鬆垂、凹陷

The old mattress sags in the middle after years of use.

這張舊床墊用了多年，中間已經凹下去了。

低落、萎靡、消沉

Morale began to sag as the long meeting dragged on.

漫長的會議拖下去，大家的士氣開始低落。

下跌、下滑、滑落

Share prices sagged after the disappointing sales report.

銷售報告不如預期，股價隨之下滑。

使下垂、壓垂

Heavy snow sagged the branches almost to the ground.

厚重的積雪把樹枝壓得幾乎垂到地面。

下垂、凹陷、下陷

There is a noticeable sag in the middle of the roof.

屋頂中央有明顯的下陷。