The beggar may sing before the footpad .

乞丐可在拦路贼面前唱歌。

A beggar may sing before a footpad .

乞丐尽可在拦路贼面前高唱。

The lunar module 's starboard footpad and contact probe .

登月舱的右舷防陷垫和联络探测器。

It is indicated that the middle part of the footpad would be injured easily when jogging , so we should pay attention to the selection of shoes when exercising .

提示慢跑时足掌中部易发生运动损伤，应注意锻炼时鞋的选择。