1.dorm food 食堂的饭菜
例句：The dorm food is delicious.
食堂的饭菜很好吃。
2.dorm room 宿舍的房间
例句：When he went away to college at Cornell, Adam took the business with him, operating out of his small dorm room.
在康奈尔上大学期间他继续在他的小寝室里做生意。
3.dorm supervisor 宿舍管理员
例句：The dorm supervisor is very kind.
宿舍管理员很和善。
4.dotted with (sth.) 星罗棋布于,点缀
例句：It's quite easy to find poppy fields as almost all the slopes in the vicinity of Faizabad are dotted with them.
法札巴德附近的山坡上星罗棋布的罂粟田。
5.double back 把…对折，折叠，循原路折回
例句：As it grows outward, it runs out of room and is forced to double back into a horseshoe shape.
随着它向外生长，空间扩大，增大为以前的两倍，成了马鞋的形状。
6.down in the mouth 神色沮丧,垂头丧气
例句：If this should happen, the speaker might feel down in the mouth.
如果发生这种情况，这个发言者可能会感到沮丧。