第1个回答 2010-03-08
手术=surgery,
my friend had a surgery to have his/her lump removed.
第2个回答 2010-03-08
Recently a friend of mine had a surgery on his/her tumor.
第3个回答 2010-03-08
a friend of mine just had an operation recently because of cancer
第4个回答 2020-01-23
Surgeryin
the
operation
在手术in
operation
在操作中