A kind of truck running on an overhead track and carrying a suspended load.

空中吊车。

A grooved metal wheel traveling in contact with a live electric wire.

(电车与架空电线接触的)触轮。

An electric car.

【美】有轨电车。

A small car, or truck operated on a track, as in a mine or factory.

(在矿场或工厂用的)有轨小车；小载货车。

A cart or wheeled stand used for conveying something (as food or book).

【英】(搬运食物或书等的)手推车；台车。

Same as trolly.

亦可作 trolly。