inactive
🇺🇸
/ɪnˈæktɪv/
🇬🇧
/ɪnˈæktɪv/
not active or not doing anything
The volcano has been inactive for 50 years, meaning it hasn't erupted.
这座火山已经50年没有喷发,意味着它是不活跃的。
not being used or not functioning
The oil well was declared inactive because it no longer produced oil.
油井不再产油,因此被宣布为不活跃。
having no effect or influence
The drug was found to be inactive against the bacteria, so a new treatment was needed.
这种药物对细菌无效,因此需要新的治疗方法。