vi. 渐渐康复, 渐愈

[ verb ]
get over an illness or shock
<verb.body> recover recuperate
The patient is recuperating

Convalesce \Con`va*lesce"\, v. i. [imp. & p. p. {Convalesced};
p. pr. & vb. n. {Convalescing}.] [L. convalscere; con- +
valescere to grow strong, v. incho. of valere to be strong.
See {Vallant}.]
To recover health and strength gradually, after sickness or
weakness; as, a patient begins to convalesce.