脚踏的英文：
foot operated ;footoperated ;pedal

参考例句：

He planted his right foot on the sea and his left on the land.
他右脚踏海，左脚踏地。

Between two stools one falls to the ground
脚踏两头要落空

He who runs after two hares will catch neither
脚踏两双船

He set his foot on the table.
他把脚踏上桌子。

Mary scraped her knee when she fell off her bike.
玛丽从脚踏车上摔下来擦伤了膝盖。

With a pair of our leather shoes on your feet, you are in step with the times.
脚踏本厂皮鞋，您与时代同步。

I had to dismount from my bicycle halfway up the hill.
我骑到半山腰只得从脚踏车上下来。

He fell off the bike and got a scrape on his knee.
他从脚踏车上摔下来，擦破了膝盖。

I was rooted in the earth, rotating, the moons and planets beyond
我脚踏大地，远处的月亮和星星在旋转着。

That old man already has one foot in the grave.
那老人已是一只脚踏入棺材里。

foot是什么意思：
n. 脚；足部；底部，基础；英尺
v. 步行，走；支付

Left foot, right foot,
左脚，右脚，

rectangular footing
矩形基脚

circular footing
圆基脚

operated是什么意思：
v.[I]
1.作业，工作；运转，运行
2.活动；行事
3.起作用；发生影响
4.产生理想的效果，见效
5.动手术
6.作战；执行任务
7.从事证券交易
8.以不正常手段谋生
v.[T]
1.操作，操纵，控制；使用（机器等）
2.经营，管理；办；实行
3.对...动手术
4.引起，产生

The operator O is the null operator.
算符O是零算符。

They are computer operators.
他们是计算机操作员。

monitor operator
之声监听员