bicycle saddle

例句：

1. 1.The bicycle is parked on the curb, and I'm going to ride it home.
   自行车停在路边，我要骑它回家。
2. 2.The child was sitting on the bicycle seat, looking at the stars.
   孩子坐在自行车座上，望着星星。
3. 3. After a long ride, she felt her backside sink into the bicycle saddle.
   长途骑行后，她觉得屁股陷进了自行车座里。