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- sag vritical curve 凹曲线
- The chair seat had a slight sag. 椅子的座位略微下陷。
- The falling star described a long curve in the sky. 流星在空中画出了一道长长的弧线。
- A line segment that joins two points on a curve. 弦将两点用曲线连接起来的曲线段
- His spine developed a slight curve. 他的脊柱有点弯曲。
- His cheeks are beginning to sag. 他的双颊开始松垂。
- The coast sweeps (away) northwards in a wide curve. 海岸呈一大弧形向北伸展。
- The shelves sag under the weight of the books. 书架因书的重量而下陷。
- A bend or curve, especially in a shoreline. 弯曲，弓形弯曲或弓形，尤指海岸线
- The tent began to sag as the canvas became wet. 帐篷因帆布湿了中间有些下坠.
- A wicked curve ball; a wicked imitation. 漂亮的曲球; 惟妙惟肖的模仿
- Mike's jovial face seemed to sag. 迈克那张高兴的脸似乎一沉。
- Your skin starts to sag as you get older. 人一老皮肤就松弛了.
- The tent begin to sag as the canvas become wet. 帐篷因帆布湿了中间有些下坠。
- The tent began to sag under the weight of the rain. 给雨水打湿后，帐篷中间开始下坠。
- An optimist is a girl who mistakes a bulge for a curve. 乐观的人，等于是把(自己身体上)凸出来的部分也错认作曲线的女孩子。
- At what point did I start to sag? 在什么时候才开始下垂?
- Your skin startsto sag asyou get older. 人一老皮肤就松弛了。
- Voltage sag and Momentary Outages Protection. 电压降落与瞬间停电的保护
- We need to do something about the sag. 我们须把下沉的地方修整一下。
