It should be approximately twice the length of a dog lead, fairly thick and preferably soft.

它的长度应该是一般狗链的两倍，比较粗，如果软一点的话更好。

youdao

The only hope was Balto, Kaasen's lead dog.

唯一的希望是卡森的头犬巴尔托。

youdao

Whether it's a decision-making session, a basketball game, or a family outing, they can't help grabbing the lead dog position and clinging on to it for dear life.

无论是决策会议，篮球赛，还是家庭郊游，他们都会忍不住地抢占领头羊的位置，拼命地紧紧抓住它。

youdao

The expression, to lead a dog's life, describes a person who has an unhappy existence.

VOA: special.2010.05.30

But as the conventional agony aunts sometimes advise - just taking a walk in the park with your dog can lead to friendships being made.

BBC: News | UK | Lonely pets seek love on the net

The orders mean pet owners can be fined for failing to remove dog faeces, not keeping a dog on a lead and allowing a dog to enter land from which dogs are excluded.

BBC: Warwick councillors vote through dog control orders

At various times international business was going to be the lead dog.

FORBES