Probably because of relatively weak thigh muscles and a lack of foot support.

可能是由于相对羸弱的大腿肌肉以及缺乏脚的支撑。

youdao

If your foot feels tense, stand with one hand on a wall for support and place the arch of one foot on top of the ball.

如果你的脚很紧张，一只手倒站在墙面支撑着把一只脚放在球上形成一个拱门。

youdao

Make sure you have the right kind of shoes for your foot type ( review our tips on shoe shopping). Consider buying a commercially made foot support in the footcare section of your drug store.

穿一双适合你脚型的鞋，考虑在你药店脚病专区买个脚支撑器。

youdao

He suggests that Gartland buy a shoe with a little extra support under the arch of the foot.

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The Park Place search begins a day after the NYPD announced that Boeing officials had determined that the 5-foot-tall, 3-foot-wide wreckage is a support piece attached to the wing of an aircraft, and not a piece of landing gear as originally believed.

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Here, you'd like something powerful, with agile maneuver, a compact and robust size half-way between the foot soldier and his Humvee or truck, bringing support of heavy firepower, a level of armor, robotics and gear into the alleys - something that will team in numbers to move and cover dismounted soldiers and each other, just as our foot soldiers do for each other everyday.

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