upper breast

例句：

1. 1. She lifted her upper breast to show off her new dress.
   她抬起上胸，炫耀她的新裙子。
2. 2. The doctor examined the upper breast of the patient for any signs of infection.
   医生检查了病人的上胸，看是否有感染的迹象。
3. 3.During the Olympics, athletes often lift their upper breasts to show off their strength and agility.
   在奥运会期间，运动员们经常抬起上胸来展示他们的强壮和敏捷。