He put his foot on the bottom rung to keep the ladder steady.

他用脚踩住最底下的横档稳住梯子。

《牛津词典》

Gonzales held tightly to the gearshift and kept his foot steady on the throttle.

Gonzales紧紧地握着变速杆，脚固定在油门上。

youdao

A steady stream of tourists from everywhere in the U.S. and many from foreign lands, visit the Statue of Liberty (background) in New York August 4, 1946 which rises from an almost 150-foot pedestal.

1946年8月4日，一波络绎不绝的游客前来参观纽约的自由女神像(图中背景处)。游人们有的来自美国各地，也有许多来自海外。

youdao

We sat up and dropped our lures into the water, quickly finding out that keeping one's surfboard steady in a 10-foot swell while trying to fish a reef makes for a clumsy operation.

FORBES: Paradise Lost

For nine months the ship Transocean Discoverer Spirit used 360-degree rotating propellers to hold itself steady in the 3, 500-foot-deep water as diamond-tipped bits cut the deepest oil well ever--6.5 miles down.

FORBES: Magazine Article

The Swedish striker took one touch to steady himself before firing past Carson with his left foot.

BBC: West Brom 1-1 Bolton