| [/sæg; sæɡ/] v (-gg-) [I] 用法:
1 sink or curve down in the middle under weight or pressure （因负重或受压）向下凹或中间下陷:
a sagging roof 下陷的屋顶 *
The tent began to sag as the canvas became wet. 帐篷因帆布湿了中间有些下坠. 用法:
2 hang loosely or unevenly 松弛或不整齐地悬著:
old torn curtains sagging at one end 垂在一端的破旧窗帘 *
Your skin starts to sag as you get older. 人一老皮肤就松弛了. sag 2
n [U, sing] extent to which sth sags; sagging 下陷或松弛的程度; 下陷或松弛:
too much sag in the mattress 床垫过於松弛 *
a sag in the seat of the chair 椅子座位部分的凹陷. |