orbiter

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Meals are stowed aboard the orbiter in locker trays with food packages arranged in the order they will be used.
食物连同食物包装一起装载在轨道器上的橱柜中的托盘中，按使用顺序排列。
But scientists decided to let it carry out additional exploratory tasks as the orbiter is still in good condition and has fuel in reserve.
但是，由于这个人造卫星工作状况良好，还有储备燃料，科学家决定让它进行额外的探索任务。
Groups of dark brown streaks have been photographed by the Mars Reconnaissance Orbiter on melting pinkish sand dunes covered with light frost.
这些在布满薄霜的粉红沙丘挤成一簇一簇的暗棕色条状物是“火星勘探轨道飞行器”拍下来的。

The orbiter could finally provide evidence about how methane on Mars is created and destroyed.
Michael Meyer also says NASA is developing an orbiter with European scientists.
After that,space station partners will rely on Russian and private launch vehicles to ferry supplies to the orbiter.

Even the reconnaissance orbiter had to wait until sunlight streamed to the northern lunar region.
NPR: NASA Moon Craft Spots Ebb And Flow Crash Sites

a spacecraft that orbits a planet or other celestial body (= a moon, star, etc.)

a spacecraft or satellite designed to orbit a planet or other body without landing on it &rarrcompare lander