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。
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。
We followed the bear's tracks in the snow.
我们跟着熊在雪地上留下的足迹走。
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。
Don't worry about crossing over the tracks.
不用为穿过铁道而担心。
She followed the tracks as far as the road.
她沿着小径一直走到公路边。
He followed his tracks and returned to the snow cave.
他顺着足迹回到了雪洞。
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。
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。
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。
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。
The rise of anti-happy art almost exactly tracks the emergence of mass media, and with it, a commercial culture in which happiness is not just an idea but an ideology.
反快乐艺术的兴起与大众传媒的出现几乎是同步的，与之相伴的是一种商业文化，在这种文化中，快乐不仅仅是一种主张，而是一种意识形态。
To avoid hurting the thousands of crested ibises that fly near one part of the railway, protective nets have been set up along the tracks to make sure the birds will not fly into a train.
为了避免伤害在铁路附近飞行的数千只朱鹮，铁路沿线已经设置了防护网，以确保这些鸟儿不会飞进火车。
The dog followed the fox's tracks into the woods.
那只狗沿着狐狸的足迹跑进了树林。
The tracks of mountain goats polka-dotted the dust ridge.
山羊的踪迹使土灰色的山脊上布满着斑斑点点。
People tend to buy tracks, not albums, from sites like Apple’s iTunes.
在苹果的iTunes这类网站上，人们往往更倾向于购买单曲而非整张唱碟。
But on that day in May, he was stopped in his tracks by a routine blood test.
但5月的那一天，一份常规血液检查却让他在自己的轨道上停下脚步。
That still doesn't explain the tear tracks down my cheeks when I typed "halt."
这些都无法解释当我敲入“停止”时脸颊上的两行热泪为何扑簌而下。
This could alter storm tracks, rainfall patterns and food production far to the south.
这能改变远至南半球的风暴轨迹、降雨模式和农作物生产。
There they crossed the railroad tracks and slid down a long, steep hill to the Mill Pond.
他们跨过铁轨，滑下又长又陡的山坡，最后来到了摩尔池塘。
There they crossed the railroad tracks and slid down a long, steep hill to the Mill Pond.
他们跨过铁轨，滑下又长又陡的山坡，最后来到了摩尔池塘。
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