音标：[sæg]
vi. 下垂, 倾斜, 萎靡, 萧条, 变得乏味
vt. 使下垂
n. 下垂, 倾斜, 萧条
【计】 系统分析组, 语法分析生成程序, 电压下降
【化】 垂挂; 流挂
【经】 萧条, (物价)下跌, 疲软
在线英汉词典

sag的短语、例句：

sag v (-gg-) [I] 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. 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, 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.