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- If there are 8 slices and the crust arc measures 5.5 inches long, then 8 times 5.5 inches equals 44 inches. The pizza has a circumference of 44 inches. 如果披萨是8块，外壳的弧长是5.;5英寸，那么8乘以5
- Joan of Arc was one of France's greatest daughters. 圣女贞德是法国最伟大的女性之一。
- Joan of Arc was burnt (alive) at the stake. 圣女贞德在火刑柱上被(活活)烧死。
- Joan of Arc was made a saint in 1920. 1920年，贞德被追封为圣女。
- The sun appears to move in an arc across the sky. 太阳看起来在天空以弧线运行。
- Joan of Arc led a large army to raise the siege of Orleans in1429. 贞德在1429年率大军解除了英军对奥尔良的围攻。
- Not measuring up to standards or expectations. 不合格的与标准或期望不符合的
- An apparatus for measuring gases. 气体贮存计量器用来测量气体的一种工具
- The stick of carbon is often used in an electric arc lamp. 碳精棒常用于电弧灯。
- The iron rod supporting the valances was bent in an arc. 挂窗帘上部短幔的铁棍弯成了个弓形。
- An early instrument for measuring altitude of celestial bodies, consisting of a90= graduated arc with a movable radius for measuring angles. 象限仪用来测量天体纬度的一种早期工具，由一个有90度刻度的圆弧和一个用来测量角度的可移动的半径构成
- Study of Real-time Arc Measurement When the Arc-point Meets with Obst acle 弧垂点遇障碍时实时弧垂测量研究
- A single unit, as in counting, rating, or measuring. 单位一种单位，如计数、测试或测量中所用的单位
- Arc strikes outside of the welds were avoided. 焊缝外要避免电弧穿刺。
- Measuring two units by four units, especially inches. 2个单位乘以4个单位的，尤其是以英寸单位
- The curve ball is also called arc line ball. 曲球打法又叫弧线球。
- An instrument for measuring electrical current or potential. 电量计一种用来测量电流或电压的仪器
- The iron rod support the valance is bend in an arc. 挂窗帘上部短幔的铁棍弯成了个弓形。
- The rainbow described an arc in the sky. 彩虹在天空形成了一道圆弧。
- The rainbow formed a beautiful arc in the sky. 虹在天上成美丽的弧形。
