Due to a problem with my foot and leg I have to go back to the USA for more treatment.

由于我腿脚病情的恶化，我必须回美国接受进一步的治疗。

youdao

He kicked so hard that his foot went straight through the door and his leg followed almost to the knee.

他踢得太用力了，以至于他的脚直接穿过了门，紧接着是他的小腿，几乎快到了膝盖。

youdao

The sport's rules require that a race walker's knees stay straight through most of the leg swing and one foot remain in contact with the ground at all times.

这项运动的规则要求竞走运动员的膝盖在大部分的腿部摆动过程中保持笔直，一只脚始终与地面保持接触。

youdao

a girl balances on one leg, holding her foot and glowering at a blushing boy, while another young couple dance in the background.

VOA: standard.2010.08.09

The video, filmed between 21 January and 15 February last year, showed the Asian elephant chained by one foot and one hind leg in a barn on Bobby Roberts Super Circus in Polebrook.

BBC: Anne the elephant 'abuse' trial: Court shown footage

With incremental execution, the dance's signature flipped-up-and-back flexed-leg-and-foot pose looked less like a kicked up heel than a pretty and preened piece of plumage.

WSJ: Cambodia's Cultural Crown Jewel | Royal Ballet of Cambodia | Brooklyn Academy of Music | By Robert Greskovic

The researchers say anybody who uses a computer for prolonged periods should undertake frequent leg and foot exercises, and take regular breaks away from the screen.

BBC: Health threat from computer use