牧羊犬

The dog does not track on widely separated parallel lines, but brings the feet inward toward the middle line of the body when trotting, in order to maintain balance.

德国牧羊犬的足迹不应该是两条分的很开的平行线，小跑时，足爪应该向内，靠近身体中心线，以保持平衡。

Although their history is unrecorded, it is commonly accepted that they developed from crosses between the Roman drover dogs and the progenitors of the Finnish Spitz. As time went on, the dogs were also crossed with other working and sporting breeds, including beardies, setters, pointers and sight hounds.

虽然边境牧羊犬的确切起源没有历史纪录，但普遍已接受它们是由罗马牲畜贩子的狗和芬兰猎犬杂交出来的狗种，且随着时间的推移它们的血统里又混杂了一些工作犬和竞技犬的血统，比如说雪打犬、波音达犬、寻血犬等等。

I'm talking about using trained border collies to control a serious problem.

&&我谈了使用受过训练的牧羊犬边境控制的一个严重问题。

Expression is one of the most important points in considering the relative value of Collies.

表情是评价苏格兰牧羊犬的最重要指标之一。

Notice that a daily walk of a few hours is not enough for most Border Collies.

注意：每天几小时的步行对大部分的边境牧羊犬是远远不够的。

The severity of 2008 meant I needed even more than my living and beloved border collies.

08年的严峻形势意味着我所需要的不仅仅是我的生活和心爱的边境牧羊犬。

And, of course, border collies are famous for their ability to direct sheep and keep a flock together.

当然，还有边境牧羊犬，它们以出色的引导以及集聚羊群的能力而出名。

The incidence of CEA in Border Collies in North America is about 2.5%.

在北美洲患有CEA的边境牧羊犬大约占2.5%。

And, of course, border collies are famous for their ability to direct sheep and keep a flock together.

当然，同样，博德牧羊犬也因为具有引导和团结羊群的能力而闻名。

The disease is common in Border collies.

该疾病常见于边境牧羊犬。

We have no common name for a mime of Sophron or Xenarchus and a Socratic Conversation; and we should still be without one even if the imitation in the two instances were in trimeters or elegiacs or some other kind of verse--though it is the way with people to tack on 'poet' to the name of a metre, and talk of elegiac-poets and epic-poets, thinking that they call them poets not by reason of the imitative nature of their work, but indiscriminately by reason of the metre they write in.

索夫农 、森那库斯和苏格拉底式的对话采用的模仿没有一个公共的名称；三音步诗、挽歌体或其他类型的诗的模仿也没有——人们把&诗人&这一名词和格律名称结合到一起，称之为挽歌体诗人或者史诗诗人，他们被称为诗人，似乎只是因为遵守格律写作，而非他们作品的模仿本质。

The relationship between communicative competence and grammar teaching should be that of the ends and the means.

交际能力和语法的关系应该是目标与途径的关系。