n one skilled in caring for young children or the sick (usually under the supervision of a physician)
n a woman who is the custodian of children
v try to cure by special care of treatment, of an illness or injury
v maintain (a theory, thoughts, or feelings)
v serve as a nurse; care for sick or handicapped people
v treat carefully
v give suck to
n. 护士；褓姆, 看护（nurse的复数）