1、walking,英 [ˈwɔːkɪŋ] 美 [ˈwɔːkɪŋ] n.行走;步行;散步;徒步旅行;競走。
2、such as large brains and the ability to walk upright on two legs .比如大的大腦和兩腿直立行走的能力。
3、A treadmill is an exercise machine that lets you walk in one place. 跑步機是一種可以讓你在原地進行行走的鍛鍊機器。