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- This tree has a circumference of 6 feet. 这棵树周长六英尺。
- The spacecraft is in orbit around the moon. 该航天器在绕月球轨道运行。
- The space shuttle will orbit a weather satellite. 太空梭将把一个气象卫星送入运行轨道。
- The distance around something; the circumference. 周围，四周围绕某物的距离; 周围
- The launch vehicle lifts the satellite into orbit. 太空火箭将人造卫星送入运行轨道。
- orbit circumference 轨道周长
- The circumference of the earth is almost 25,000 miles. 地球的圆周长约为两万五千英里。
- Something of circular form; a circle or an orbit. 圆形物体圆形物体; 圆圈或环形轨道
- The spacecraft is in orbit (ie moving in orbit) round the moon. 该航天器在绕月球轨道上飞行。
- The given radius being 4 ft., find the circumference. 已知半径为四英尺,求周长。
- Marketing does not come within the orbit of his department. 市场推销业务不归他这一部门管。
- The satellite was launched into orbit around the moon. 卫星被发射进入绕月球运行的轨道。
- The two spacecraft will link up (with each other) in orbit. 两艘宇宙飞船将於轨道上(互相)连接。
- An arc is a part of the circumference of a circle or other curved lines. 弧是圆周或曲线的一部分。
- By now, putting satellites in orbit is old hat to space scientists. 现在，对航天科学家来说，把卫星送入轨道已不是一桩新鲜事了。
- The lake is twenty miles in circumference. 这湖周围二十哩。
- The lake has a circumference of 500 li. 那个湖方圆五百里。
- We sent an unmanned rocket into earth orbit. 我们把一个无人驾驶的火箭送入了地球的轨道里。
- That point falls on the circumference of the circle. 那一个点落在这圆的圆周线上。
- The earth is almost 25000 miles in circumference. 地球的周长大约为 25000 英里。
