drug withdrawal的用法和樣例：
例句
- The first patient has now been off the drug for almost three years and has had no relapses.
第一位病人已經(jīng)停藥幾乎三年，病情并沒(méi)有復發(fā)。 - It is an uncommon tubulopathy and is usually secondary to a systemic disease, metabolic disorder or drug toxicity.
雖然停藥，但腎功能的惡化會(huì )繼續進(jìn)行且速度很快。
