nicotine
🇺🇸
/ˈnɪkətiːn/
🇬🇧
/ˈnɪkətiːn/
a harmful substance found in cigarettes that makes it hard for people to stop smoking
Many people struggle to quit smoking due to their addiction to nicotine.
许多人因为对尼古丁的上瘾而难以戒烟。