a fishy smell的用法和样例：
- Kidney failure produces a fishy smell and uncontrolled diabetes generates fruity fumes, for instance.
- The soup had a fishy smell.
- Symptoms include a “fishy smelling” discharge that is more noticeable after unprotected intercourse. The discharge is off-white, thin, and homogeneous. Pruritus and inflammation are absent.
- Subjects with this condition sense that their saliva and sweat sometimes have a fishy quality, although others may have trouble verifying the smell.