They leave long trails behind them, tracks you might say as they move from one point to another.
它们身后留下了一条长长的痕迹，你也许可以说这是它们从一个位置移动到另一个位置的轨迹。
Primates and birds' brains have evolved along different tracks, but ended up with similar abilities.
灵长类动物和鸟类的大脑沿着不同的轨迹进化，但最终拥有相似的能力。
He started keeping tracks of sunspots, mapping them, so he wouldn't confuse them with any potential new planet.
他开始追踪太阳黑子，标注它们的位置，这样就不会把它们和任何潜在的新行星混淆了。
The railways also provided thousands of new jobs: building carriages, running the railways and repairing the tracks.
铁路也提供了数以千计的新工作：制造车厢、运营铁路和维修铁轨。
Even in dense forest, you should be able to spot gaps in the tree line due to roads, train tracks, and other paths people carve through the woods.
即便身处茂密的森林之中，你也应该能够发现人们在树林中开辟道路、铁轨和其他小路而形成的林木线缺口。
"Each magstripe has three tracks of information," explains payments security expert Jeremy Gumbley, the chief technology officer of CreditCall, an electronic-payments company.
电子支付公司CreditCall的首席技术官、支付安全专家杰里米·冈布利解释说：“每个磁条都有三条信息轨迹。”
Tracks led up the mountainside.
小径沿着山坡向上延伸。
We followed the bear's tracks in the snow.
我们跟着熊在雪地上留下的足迹走。
She followed the tracks as far as the road.
她沿着小径一直走到公路边。
We knelt (down) on the ground to examine the tracks.
我们跪在地上察看足迹。
He checked the sandy areas of the arroyo for any tracks.
他检查了旱谷沙地的所有痕迹。
All the tracks have been digitally remastered from the original tapes.
所有的曲子都已经从原始录音带转录到了数码母带上。
He crawled from print to print, sniffing at the earth, following the scent left in the tracks.
他从一个脚印爬到另一个脚印，嗅着泥土，跟着路上留下的气味。
Manufacturers are testing a system that tracks products leaving the shelves and alerts employees to restock.
制造商们正在测试一个系统，它可以追踪离架的货品并提醒雇员补充上货。
Don't worry about crossing over the tracks.
不用为穿过铁道而担心。
Our lives changed tracks the day our son was born.
儿子出生那天，我们的生活就改变了。
He followed his tracks and returned to the snow cave.
他顺着足迹回到了雪洞。
It can run at the speed of up to 50 km/h on the tracks.
它在轨道上运行的速度能达到每小时50公里。
Topics which essentially refer to the three previously mentioned tracks are discussed below.
主要涉及前面提到的三个方面的主题将在下面讨论。
Fear is a major impediment to thinking like an iconoclast and stops the average person in his tracks.
恐惧是反传统式思考中的一个主要障碍，它让普通人止步不前。
By the Nizamuddin rail tracks, a gaggle of children warm themselves on a chilly night by burning scraps of wood.
在尼桑木丁路轨旁，一群喧闹的孩童在寒冷的夜晚靠燃烧废木料取暖。
These three tracks must be mixed and balanced so as to produce the necessary emphases which in turn create desired effects.
为了创造重点并带来预期的效果，必须将这些音轨混合并做平衡。
One popular technique for hauling lumber was to use horses and oxen to drag logs over skid roads and rough tracks through the woods.
搬运木材的一种普遍手法是用马和牛在森林中的滑道和崎岖小路上拉木头。
There are no footprints, no type tracks and no heavy machinery like a bulldozer…Nothing was ever brought in to move these heavy rocks.
没有脚印，没有履带，也没有推土机之类的重型机械……没有任何东西被带来用以搬过这些重石头。
The music service "This Is My Jam" helps people navigate the tens of millions of tracks now available instantly via Spotify and iTunes.
音乐服务“ThisIsMyJam”可帮助人们通过Spotify和iTunes即时浏览数千万首曲目。
We were walking along the bank of the Niger river, searching for the tracks of a hippopotamus that was ravaging the corn on Karim's farm.
我们沿着尼日尔河岸走着，寻找一头河马的足迹，它毁坏克莱姆村农场农作物。
I'll tell you a bit about the forest and mountain tracks in a minute, but first, I'll just give you an idea of where everything is in the village.
我马上会告诉你一些关于森林和山路的信息，但首先，我将告诉你村庄里所有东西的大概位置。
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