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- dissolved oxygen sag curve 氧垂曲线
- oxygen sag curve 氧下垂曲线
- Water contains hydrogen and oxygen. 水含有氢和氧。
- The chair seat had a slight sag. 椅子的座位略微下陷。
- Oxygen enters into many compound bodies. 氧是许多化合物的组成部分。
- 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。
- Mars is too dry and poor in oxygen. 火星上面过于干燥，并且缺乏氧气。
- Water is composed of hydrogen and oxygen. 水由氢和氧组成。
- 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
- Fish take in oxygen through their gills. 鱼通过鳃摄取氧气。
- 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。
- The oxygen react vigorously with the impurity in the iron. 氧气与铁中的杂质发生剧烈的化学反应。
- The oxygen workshop caught fire and set off a chain of explosions. 氧气车间着了火，引起了一连串的爆炸。
- A bend or curve, especially in a shoreline. 弯曲，弓形弯曲或弓形，尤指海岸线
- Plants can absorb carbon dioxide and release oxygen. 植物可以吸收二氧化碳释放氧气。
- 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
