convalescence
n. 恢复期，康复期；逐渐康复
例句
You need four to six weeks' convalescence.
你需要四至六个星期的康复期。
《牛津词典》
Another apparent sign of convalescence is more ambiguous.
另一个经济恢复的表面信号更为模糊。
A prolonged convalescence is the best that can be expected.
长时间的慢慢恢复是可期望的最好结果。
