1.
Or is Titan simply an icy satellite pocked with craters?
或者土卫六只是个坑坑疤疤的冰冷卫星？
2.
Is it covered with liquid hydrocarbons?
土卫六表面是否覆盖了液态的碳氢化合物？
3.
Because Titan is Saturn's largest moon, it held special interest for us.
由于土卫六是最大的卫星，因此我们对它特别感兴趣。
4.
The largest satellite of Saturn and the14th in distance from the planet. It is the second largest satellite in the solar system.
土卫六土星的最大一颗卫星，离该行星的距离列第14位，它是太阳系中第二大卫星
5.
Saturn's two largest moons meet in the sky in a rare embrace. Smog-enshrouded Titan glows to the left of airless Rhea.
土星的两个最大的月亮在天空中“拥抱”在了一起。土卫六的浓雾在土卫五的左边发着亮光。
6.
The probe "Huygens" carried on the "Cassini" spacecraft will land on the surface of Saturn's satellite Titan, the largest of all Saturn's moons.
由“卡西尼”号飞船携带的探测器“惠更斯”将在土星的最大卫星土卫六的表面着陆。
7.
Are methane and ethane mixed together in hydrocarbon lakes or seas on Titan's surface?
甲烷和乙烷是否共存于土卫六表面的湖泊或海洋中？
8.
Scientists have long conjectured that oceans of liquid methane exist on Titan.
科学家一直猜想土卫六上存在着由液态甲烷构成的海洋。
9.
A three-inch refractor will give an excellent view as well as showing Titan.
一架三英寸的折射望远镜就能看到极好的景象，还可以看出土卫六。
10.
Other information sent back by Voyager One showed that Titan's atmosphere is mainly nitrogen.
旅行者1号发回的其它信息表明，土卫六的大气中的气体主要是氮气。
11.
As Cassini continues its reconnoitering flybys of Titan, the imaging science team continues to improve its ability to tease out surface details hidden in the unprocessed images.
当卡西尼继续侦察土卫六时,科学队继续改进它的拍照能力，在于未加工的图象。
12.
Radio signals beamed through the moon's atmosphere will reveal how much the temperature varies by latitude and altitude.
发射能穿透土卫六大气的无线电讯号，将可揭示温度如何随纬度及高度变化。
13.
Astronomers were not sure if Titan's atmosphere contained the elements necessary for life.
天文学家无法断定土卫六的大气层中是否含有生命存在的必要元素。
14.
On December 25 Cassini will release the Huygens probe, which will coast toward Titan for three weeks.
今年12月25日，卡西尼号将释放惠更斯号探测器，让它航向土卫六，历时三周。
15.
The satellite of Saturn that is16th in distance from the planet.
土卫八距离土星第十六远的土星卫星
16.
Another example is the F ring, whose periodic clumps seem to have been imprinted by Prometheus.
环是另一个例子，它起伏规律的纹块似乎是由土卫十六印制出来的。
17.
"Ozem, the sixth, David, the seventh;"
六子阿鲜，七子大卫。
18.
(6) Reform the land system;
（六）改革土地制度；