Wearing footwear first became important from functional point of view as it can protect the feet from cuts, bruises, heat, cold, etc.

穿鞋开始变得重要首先是鉴于其功能性：鞋能保护我们的脚，以防划伤、撞伤、烫伤、冻伤等等。

youdao

Swimming around under an ice-cold waterfall became a decidedly good way to end the day after hoofing it for an average of 16 miles.

徒步走了16哩之后，在冰冷的瀑布下游一游成为结束一天最好的方法。

youdao

But at last it became night, and a cold wind blew upon the lonely one. Then arose Zarathustra and said to his heart.

但最后夜暮降临，一阵冷风吹向这孤独者。

youdao

"It became a little destructive, so I quit cold turkey and I decided to write something, " she says.

FORBES: Magazine Article

Afterwards, of course, Mars became the cold, apparently lifeless, body that it is today.

ECONOMIST: Panspermia: Interplanetary migration | The

Republican isolationists opposed much of Harry Truman's policy framework at the dawn of the Cold War, only to have Dwight Eisenhower ratify nearly all of it when he became President.

WSJ: Review & Outlook: Obama Ratifies Bush