foot (pl. feet);acre-foot;feet ;
例句:
I found myself in water only three feet deep.
我发现脚下的水只有3英尺深。
Four foot should be seen as an absolute minimum.
绝对不能比4英尺再少了。
I'm only 5ft tall, and I look younger than my age.
我才5英尺高,显得比实际年龄小。