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- Pig iron used as permanent ballast. 壓載鐵做為永久性壓艙物的生鐵
- The spacecraft is in orbit around the moon. 該航天器在繞月球軌道運行。
- The ship was furnished with ballast. 船上裝了壓艙物。
- The space shuttle will orbit a weather satellite. 太空梭將把一個氣象衛星送入運行軌道。
- The launch vehicle lifts the satellite into orbit. 太空火箭將人造衛星送入運行軌道。
- The ballast placed in the ship can keep the ship steady. 放在船上的壓艙物可以保持船的平穩。
- Something of circular form; a circle or an orbit. 圓形物體圓形物體; 圓圈或環形軌道
- The spacecraft is in orbit (ie moving in orbit) round the moon. 該航天器在繞月球軌道上飛行。
- The ballast may be thrown out to make the balloon go higher. 沙袋可以拋掉以使氣球飛得更高。
- Marketing does not come within the orbit of his department. 市場推銷業務不歸他這一部門管。
- The satellite was launched into orbit around the moon. 衛星被發射進入繞月球運行的軌道。
- The two spacecraft will link up (with each other) in orbit. 兩艘宇宙飛船將於軌道上(互相)連接。
- Arc lamps require a current-limiting ballast. 弧光燈需要一個限流鎮流器。
- By now, putting satellites in orbit is old hat to space scientists. 現在，對航天科學家來說，把衛星送入軌道已不是一樁新鮮事了。
- Not stabilized or properly stabilized by ballast. 不穩定的未用壓艙物穩住的
- To fill(a railroad bed) with or as if with ballast. 鋪沙石用或似用沙石鋪（鐵路路基）
- We sent an unmanned rocket into earth orbit. 我們把一個無人駕駛的火箭送入了地球的軌道里。
- The rail beds well on the ballast. 鐵軌在道碴上擱得很穩。
- The readiness of a vessel for sailing with regard to ballast, sails, and yards. 船的航行狀態從船的壓載、船帆和帆桁方面考慮看船的狀況是否能夠航行
- Do ballast lines pass through any cargo tanks? 有壓載管穿過任意貨艙嗎?
