N-COUNT
(尤指同一机构或统一行动的)车队
A fleet of vehicles is a group of them, especially when they all belong to a particular organization or business, or when they are all going somewhere together.
例句
With its own fleet of trucks, the company delivers most orders overnight...
这个公司拥有自己的货车车队，大多数订购货品可以隔日送到。
A fleet of ambulances took the injured to hospital.
一队救护车把伤者送往医院。