Glinting in the sunlight as it circles planet Earth, the NanoSail-D solar sail will periodically be bright and easily visible to the eye.
当Nanosail-D环绕地球运行时，会周期性地闪烁出光亮，使人能（通过仪器）轻易地用眼睛看到。
The deep orange "cape" can be spread in display, appearing as an alternating black and orange fan that covers all of the face except its bright yellow eye, with a pinpoint black pupil.
深橙色的“海角”，可以传播展示，显示为黑色和橙色交替风扇，但其涵盖的眼睛明亮的黄色面，以查明黑色瞳孔。
The human eye tends to adjust to local lighting conditions, so an object that looks white in a dimly lit room may in fact be less bright than an object that looks grey in full daylight.
人眼倾向于以适应本地的照明条件，所以，一个物体在昏暗的房间里看起来是白色的，并不比在日光下灰色的物体亮。
The human eye tends to adjust to local lighting conditions, so an object that looks white in a dimly lit room may in fact be less bright than an object that looks grey in full daylight.
人眼倾向于以适应本地的照明条件，所以，一个物体在昏暗的房间里看起来是白色的，并不比在日光下灰色的物体亮。
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