1. 鞍状屋顶：saddle on 强加于 | saddle roof 鞍状屋顶 | saddle 鞍
2. 马鞍型屋面：sac 液囊,袋 | saddle-roof 马鞍型屋面 | S-adenosylmethionine S-腺苷甲硫氨酸
3. 鞍形屋顶：鞍形天沟 saddleback gutter | 鞍形屋顶 saddle roof | 岸 bank
noun
1. a double sloping roof with a ridge and gables at each end
Synonym: gable roof saddleback saddleback roof