污染源 (wū rǎn yuán) — source of pollution; pollutant source

Definition

Examples

• 政府正在调查这条河的污染源。
  Zhèng fǔ zhèng zài diào chá zhè tiáo hé de wū rǎn yuán.
  The government is investigating the pollution source of this river.
• 工厂是城市空气污染的主要污染源。
  Gōng chǎng shì chéng shì kōng qì wū rǎn de zhǔ yào wū rǎn yuán.
  Factories are the main pollution source of urban air pollution.
• 找到污染源是治理环境污染的第一步。
  Zhǎo dào wū rǎn yuán shì zhì lǐ huán jìng wū rǎn de dì yī bù.
  Finding the pollution source is the first step in controlling environmental pollution.