flat tire

We got a flat tire on the motorway and had to call for help.我们在高速公路上有一个轮胎瘪了，不得不打电话求助。

She had two flat tires in the same month, both caused by road debris left after construction work.她在同一个月里有两次轮胎瘪了，都是施工后遗留在路上的碎片导致的。