The trails broadened into roads.

小径变宽成大路了。

Get up and join in the activities by pushing a jogging stroller, hitting the hiking trails, climbing the jungle gym or swimming in the lake.

起来，加入到活动中去，推着婴儿车慢跑，到健行步道，爬爬攀登架，或者到湖里游泳。

We rode the mountain trails.

我们骑着马走在山里的小路上。

Tanks raise huge trails of dust when they move.

坦克移动时掀起滚滚的尘土。

She sighed and squatted down next to the crossing of the two trails.

她叹了口气，在两条小路的交叉口旁蹲了下来。

He was a shrewd lawyer with a talent for uncovering paper trails of fraud.

他是个精明强干的律师，能从一连串文件中找出诈骗的蛛丝马迹。

Marked hiking trails are there usually to protect the natural environment and keep wild plants safe.

有指示标识的游览步道通常是为了保护自然环境、保障野生植物的安全。

If there are no trails, you are much easier to be seen on top of a hill.

如果没有这种路，在山顶上你也更容易被发现。

At the top of most hills and mountains, are trails leading back to civilization.

大部分山顶都会有能带你回到人类社会的小路。

The hot spots and their volcanic trails are milestones that mark the passage of the plates.

热点和它们的火山痕迹是标志板块移动的里程碑。

I had discovered the baboon trails where I could pull myself up the steepest parts by roots.

我发现了狒狒的足迹，在那里我可以用树根把自己拉到最陡峭的地方。

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。

Prior to 1815, western farmers who did not live on navigable waterways were connected to them only by dirt roads and mountain trails.

1815年之前，那些没有生活在通航的水路旁的西部农民只能从土路和山道前往那些航道。

If there are no trails, you are much easier to be seen on top of a hill, and you may even spot a highway, or a railroad from this point.

如果没有这种路，在山顶上你也更容易被发现，甚至可以从山顶看到公路或者铁路。

We developed a program that sends out billions of software ants to find out where the pheromone trails are strongest for our truck routes.

我们开发了一种程序，这个能派遣出上十亿的软件蚂蚁去查明哪里的追踪信息素对我们的卡车路线是最强的。

The oceanic volcanic islands and their hot-spot trails are thus especially useful for geologists because they record the past locations of the plate over a fixed source.

海洋火山岛和它们的热点轨迹对于地质学家尤其有用，因为它们记录了过去的板块在固定地点之上的位置。

The U.S. trails far behind every wealthy nation and many developing ones that have family-friendly work policies including paid parental leave, paid sick days and breast-feeding support.

在这方面，美国远远落后于所有富裕国家和许多发展中国家。这些国家的工作政策都有利于家庭生活，包括带薪育婴假、带薪病假和母乳喂养支持等。

Some trails are smooth while others are rocky and rooty.

有些路是平坦的，而另一些路则是崎岖不平的。

Pages to create or edit trails.

创建或编辑路线的页面。

They are flying their trails off.

他们把追踪者都甩掉了。

The tablecloth trails on the floor.

台布垂到地板上。

Check out local parks and trails.

去当地公园或者小山看看。

It is fun to explore these trails.

沿着这些小路进行探索是非常有趣的。

She trails off at the sounds of sirens.

随着警笛声响，她慢慢地哑了口。

Tea still trails far behind coffee, of course.

当然，茶远远落后于咖啡。

Using breadcrumb trails as primary navigation.

用面包屑路径作为主导航。

Audit trails to permit the analysis of activity.

通过审计跟踪进行活动分析。

Fine trails run from southwest to northeast across here.

这一地区可以见到细微的条纹横贯西南-东北方向。

Or put tracks along crowded bike trails to commute to work.

或者在拥挤的自行车道上空加装轨道骑它上下班。

So, what do ants and chemical trails have to do with the web?

蚂蚁和气味跟踪和网络之间有什么联系呢？