Level 4 · word 3,121 of 20,000

emission

/ɪˈmɪʃən/ American
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  • n. 排放, 发射
  • n. 排放物, 散发物
Definition
  • n. the act of giving off or sending out gas, heat, light, or radiation
  • n. a substance that is emitted or released
Example
The factory reduced its emission of harmful gases last year.
这家工厂去年减少了有害气体的排放。
Word familyemi-