pernicious
🇺🇸
/pərˈnɪʃəs/
🇬🇧
/pəˈnɪʃəs/
adjective
R
causing serious harm in a way that is not immediately obvious
The pernicious effects of pollution on the environment are becoming more evident every day.
污染對環境的有害影響每天都在變得更加明顯。
translation
有害的