pollution
Definition
The presence or introduction of harmful substances into the environment.
中文 有害物质进入环境中所造成的污染状态。
Example
"Air pollution in cities has led to increased rates of respiratory diseases."
The presence or introduction of harmful substances into the environment.
中文 有害物质进入环境中所造成的污染状态。
"Air pollution in cities has led to increased rates of respiratory diseases."