Star trails of any length occur because as the Earth spins on its axis, the sky seems to rotate around us.
所有星迹形成都是由于地球绕轴自转使天空看上去围绕我们旋转而造成的。
I was running with a group on some trails, and I thought I was being very careful when I pulled a gel out of my pocket.
我与一群人在跑道上赛跑，而且我正认为自己办事仔细时我从口袋里掏出一管发胶。
Dust trails laid down at various perihelion returns during the 19th century seem to have been responsible for the last two main outbursts.
奠定了在不同的近日点回报在19世纪的灰尘足迹似乎已经在过去的两个主要的爆发负责。
He and his wife Michal and their cats and dogs enjoy singing, walking the trails within the Wastach Mountains and singing whenever possible.
他和他的妻子Michal以及小猫小狗喜欢歌唱，一边在Wastach山上散步一边唱歌。
"One home was close to hiking trails, making going hiking very easy, " he said in an e-mail.
“有间房子离登山路径很近，爬山很方便，”他在一封电子邮件里说。
Lay trails of sweets, lure the little alien into the house, play games with him and strengthen your friendship. Collect all the parts for E.
留下一路的糖果来引诱小外星人进入房间，和他玩游戏来增加你们的友谊。
For me, I love to get out on my mountain bike and ride technical trails, kayak, or go for a long motorcycle ride.
对我而言，我喜欢骑山地车上山道，划皮艇，或骑摩托跑长途。
Well, I'd say "Hug the walls, " If I could see them. Goat trails seem to be our only option. Unless you're into Dumpster diving.
要是还能看到墙的话当然是靠墙走现在，看来我们只能自辟小径了。除非你喜欢翻垃圾。
Madeleine breaks free and runs across the courtyard. Scottie trails behind her, eventually catching up to her. He holds her tightly.
马德琳挣脱开来，跑过庭院。斯考蒂尾随着她，最后抓住了她。他将她紧紧地搂住。
I've been shooting at least two or three times a week ever since, mainly landscapes, star trails when the conditions are just right. '
自那以后，我每周都至少拍摄2到3次，主要是拍景色，拍摄星空也是天时地利而为之。
The trail layer, known as a hare would deliberately set check points and false trails to put off the chasing pack, known as hounds .
负责放置踪迹的人就象野兔一样，故意地设下核对点和假踪迹来拖延像猎狗似的负责追踪的人。
Porter and her team found that this type of training allowed subjects to track scent trails faster and with greater accuracy.
波特和她的研究小组发现这类训练使得受试者能更快更准确地嗅探跟踪香精油路线。
There had been a bright flash earlier over Nevada, and now debris came off that was large enough to cause multiple secondary plasma trails.
之前飞过内华达州时只有一道明亮的闪光，现在崩离的残骸已经大到引发了多重的次级等离子体亮尾。
he would have to go the long way, following the looping but magically protected trails.
他只能绕远路走，那些小路虽然七绕八绕的，却有魔法保护。
Captured using a long exposure lens, the trails are created as the Earth rotates, giving the impression of the stars moving across the sky.
使用长时曝光镜头，拍摄由于地球自转引起的星空轨迹，得到了运动天空的壮丽景色。
OK, Mr. Know-It-All. Anyway, it's so easy to get around with all these bicycle trails and places to park your bikes.
好吧，万事通先生。不管怎么样，有这些自行车车道和停放自行车的地方要到哪儿都很容易。
Auxiliary Particles In Particular, particles can emit their own 'auxiliary' particles, enabling objects to leave bright or smoky trails.
细节的粒子在粒子系统里，粒子可以发射Auxiliary类型，可以制作光亮的或是烟的拖尾效果
The fire trails brilliantly lit the ship and could be followed by sight as they struck their targets.
火箭的尾迹正好照亮船只，它们在袭击目标时可以用肉眼观察到。
The standard of living in the former East Germany has improved significantly since the fall of the Wall, though it still trails the west.
尽管仍然落后于西部，但相比于柏林墙倒塌之前，前东德地区现有的生活水平已经有了显著的提高。
When walking on the snow, drag your legs to leave two trails on the ground, like a vehicle.
下雪后，走路时双脚不要离开地面，像汽车一样让自己身后留下两道痕迹。
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