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- The cross-piece is mortised into the upright post. 横梁和立柱是用榫眼接合一起的。
- His figure looks very funny in the concave mirror. 他的样子在凹镜里显得非常可笑。
- Only humans have a natural upright posture. 只有人类才有自然直立的姿势。
- An indented or concave surface or area. 凹陷,洼地凹的表面或地区
- Move the machine in an upright position. 垂直地移动机器。
- We are upright in our business dealings. 我们做生意规规矩矩。
- The guards stood upright at the gate. 卫兵笔直地站立在门前。
- He was sitting upright, as stiff as a poker. 他正襟危坐,纹丝不动。
- He was sitting upright, stiff as a poker. 他正襟危坐,纹丝不动。
- The ball bounced off the left upright of the goal. 球碰到左侧球门柱後弹开。
- An empty sack cannot stand upright. [谚]空袋子,立不直。
- It annoys me if a lamppost is not bolt upright. 如果灯杆不是笔直的,我就看不过去。
- concave upright 凹面向上
- Capable of being raised to an upright position. 可竖直的可以被抬升到竖直位置的
- Just as a double convex lens enlarges, so a double concave lens reduces. 正象双凸透镜可以放大那样,双凹透镜也可以缩小。
- By the next morning our dying seedlings were standing upright. 到第二天早上,我们那些快死的秧苗又挺立起来。
- A small point or spike for holding a candle upright. 蜡烛扦竖直举起蜡烛的小尖或尖状物
- Several columns among the ruins still stood upright. 在废墟中依然挺立着几根柱子。
- A concave molding with a cross section that approximates a quarter circle. 飞檐的凹圆线脚截面近于九十度弧的凹线脚
- A depression similar to that in a shallow concave container for food. 凹形,凹面与浅的凹型盛食物的容器相似的凹处