The slow days drifted on, and each left behind it a slightly lightened weight of apprehension.

缓慢的日子一天天过去，每过去一天，心头的忧虑就稍稍减轻一点。

youdao

They both came on time, but each left ahead of time.

他们两个按时到达，但都提前离开了。(作主语)。

youdao

He left a bequest to each of his grandchildren.

他给他的孙辈每人留下一笔遗产。

《牛津词典》

As many as five thousand people left the city each year between two thousand and two thousand six.

VOA: special.2009.07.13

Clearly, we put 2 for each bond, and now we end up having 2 remaining bonding electrons left.

显然，我们在每个键处放上两个电子，那么最后我们还剩下两个成键电子。

麻省理工公开课 - 化学原理课程节选

At each node, I'm going to go left until I can't go any further.

在每一个节点，我都会先走左边的分支,直到走不下去。

麻省理工公开课 - 计算机科学及编程导论课程节选

Their problems, to be sure, are far more visible in hindsight, but nonetheless each left telltale signs that all was not well.

FORBES: A Matter of Trust

Those disasters were preceded by a series of fires that each left large numbers of people dead, including one in 2006 that killed more than 50 people.

WSJ: Bangladesh Closes Three Factories of Top Exporter

Bechtel engineers who meet with the Southern Iraq Electricity Co. in Basra each Sunday left a meeting thinking one substation was ready to go fully online, only to return a week later to find it had been completely stripped.

FORBES: Magazine Article