major operation[英][?meid p?rei?n][美][?med ɑp?re?n]
大手术;
例句:
1.
A birth by c-section increases a baby's chance of breathing difficulties, and mothers may find it harder to bond with a child while recovering from a major operation.
剖腹产会增加宝宝呼吸困难的机率，而在术后康复的过程中，妈妈也会发现更难和孩子亲近起来。