The police haven't got a single lead yet.

警察到现在还未获得一点线索。

youdao

Pacemakers used to have but a single lead, going to one of the heart’s four chambers.

以往的起搏器通常只有一根导线接入心脏四个房室中的一个。

youdao

Pacemakers used to have but a single lead, going to one of the heart's four chambers.

以往的起搏器通常只有一根导线接入心脏四个房室中的一个。

youdao

The authors still give a Class I alternative for single lead atrial (AAI) pacing, but only in those with normal AV conduction.

FORBES: Overview of the New HRS/ACCF Pacemaker Guidelines

Single lead VDD pacing in those with intact sinus node function (i.e. a young patient with congenital AV block) gets a class IIa indication.

FORBES: Overview of the New HRS/ACCF Pacemaker Guidelines

The single currency could well lead to a single tax policy.

BBC: News | UK Politics | John Maples speech in full