English Dictionary

red tide

noun

An algal bloom of sufficient quantity to cause discoloration (often red) in a body of water; red tides can potentially cause irritation or death to exposed creatures.

The red tide is causing harm to marine life.

意味（1）

An algal bloom of sufficient quantity to cause discoloration (often red) in a body of water; red tides can potentially cause irritation or death to exposed creatures.

意味（2）

specifically, one caused by Karenia brevis.