discontinues , discontinuing , discontinued
If you discontinue something that you have been doing regularly, you stop doing it.
Do not discontinue the treatment without consulting your doctor.
不要不咨询你的医生就中断治疗。
If a product is discontinued, the manufacturer stops making it.
The Leica M2 was discontinued in 1967.
徕卡M2型照相机于1967年停产。