spare tyre
英 [ˌspeə ˈtaɪə(r)]
美 [ˌsper ˈtaɪər]
n. 备用轮胎; 肥胖的腰
牛津词典
noun
- 备用轮胎
an extra wheel for a car - 肥胖的腰
a large roll of fat around sb's waist
柯林斯词典
- 备用轮胎
Aspare tyreis a wheel with a tyre on it that you keep in your car in case you get a flat tyre and need to replace one of your wheels. - (人的腰腹部的)一圈赘肉
If you describe someone as having aspare tyre, you mean that they are fat around the waist.
in AM, use 美国英语用 spare tire