腰子

例句：

1. 1. He sat down on the couch with his waist stretched out.
   他坐在沙发上，把腰伸得直直的。
2. 2. The doctor advised him to exercise regularly to maintain a healthy waistline.
   医生建议他定期锻炼以保持健康的腰围。
3. 3. She was wearing a dress that accentuated her waist and made her look slimmer.
   她穿着一件凸显腰身、使她看起来更苗条的连衣裙。