名词 foot:

1. the part of the leg of a human being below the ankle joint

2. a linear unit of length equal to 12 inches or a third of a yard

3. the lower part of anything

4. the pedal extremity of vertebrates other than human beings

5. lowest support of a structure

6. any of various organs of locomotion or attachment in invertebrates

7. travel by walking

8. a member of a surveillance team who works on foot or rides as a passenger

9. an army unit consisting of soldiers who fight on foot

10. (prosody) a group of 2 or 3 syllables forming the basic unit of poetic rhythm

11. a support resembling a pedal extremity

动词 foot:

1. pay for something

2. walk

3. add a column of numbers

footn.脚；英尺；最底部；音步v.表演舞步；步行；付账；踏；共计footwornadj.被脚踏坏的(走得脚累的)footracen.步行竞赛；赛跑footslogvt.在泥污中费力行进footmarkn.足迹footwordn.步法footpick脚踏镐footpacen.一般的步行速度(步测；梯台)footbathn.洗脚；洗脚盆foot pin尺垫,地脚钉footrill平洞

1. The measurements of the room are 20 feet by 15 feet.
   这房间的面积是20英尺乘15英尺。
2. We are flying at an altitude of 20000 feet.
   我们的飞行高度是20000英尺。
3. We're flying at 35000 feet.
   我们飞行的高度是35000英尺。
4. The plane climbed to 20000 feet.
   飞机上升到20000英尺。