English Dictionary

buoy

/ˈbɔɪ/

noun

(nautical) A float moored in water to mark a location, warn of danger, indicate a navigational channel or for other purposes / A life-buoy; a life preserver.

The buoy marked the entrance to the harbor.

意味（1）

(nautical) A float moored in water to mark a location, warn of danger, indicate a navigational channel or for other purposes

While comm buoys allow rapid transmission, there is a finite amount of bandwidth available. Given that trillions of people may be trying to pass a message through a given buoy at any one time, access to the network is parceled out on priority tiers.

意味（2）

A life-buoy; a life preserver.