20ft

1

He was sent flying into the air and landed 20ft away

他被抛到空中，落在20英尺外的地方。
2

A 20ft , 600-pound walleye fish has made an appearance in this Lake Erie town since 1996 .

自1996年起，伊利湖边的这个小镇上的降落仪式主角是一只长20英尺，重600磅的碧古鱼。
3

The bp-led team has reached the most delicate part of the operation , " paralleling " the old well with the new well only about 20ft away , and then approaching to within just 5ft before intersecting it .

由英国石油牵头的团队已进入堵漏工作最棘手的阶段，要让新井与旧井的“平行距离”缩短到20英尺左右，接下来进一步靠近，将距离缩短到5英尺以内，然后相接。