Or we could just send a satellite to orbit Europa, with an instrument on board similar to Hyperion, to begin surveying the European ice for yellow stains.
或者我们可以发射一个装有与Hyperion相似装备的环Europa卫星，勘测被染黄的冰面。
2
A portable surveying instrument consisting essentially of a drawing board and a ruler mounted on a tripod and used to sight and map topographical details.