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.
One of the first jobs when you start work in an office is to learn how to use every piece of equipment.
你在办公室开始工作的第一件事就是要学会怎样使用办公室里的每样设备。
Professor Karl von Frisch, an Austrian scientist, spent many years of his life researching the amazing ways honey bees communicate in their dark hives.