孩子们看不到他，因为一大早在孩子们醒来之前，他就离开了家。午夜左右他才回到家，每天的这个时候孩子们已经睡着了。

The kids cannot see him as he leaves home early in the morning before they wake up, and he reaches home around midnight when kids have slept every day.

youdao

早在20世纪50年代末，当医学研究人员开始将心脏病的发生与饮食联系起来的时候，国际上就开始对地中海饮食的治疗效果产生了兴趣。

International interest in the therapeutic qualities of the Mediterranean diet began back in the late 1950s, when medical researchers started to link the occurrence of heart disease with diet.

youdao

一些新的气候理论、新的气候理论家提出也许人类早在农业革命开始的时候就对气候产生了影响。

Some new theories of climate, new theorists of climate have proposed that perhaps humanity was having an effect on the climate as far back as the beginnings of the agricultural revolution.

youdao

This is why he's continually placing the imaginative origin of the poem back to the very dawn of time, perhaps even back before if you can imagine such a time -- before the very dawn of time.

这就是为什么弥尔顿总是试图把想象中的这首诗的起源,推至时间开始的时候，甚至更早,-如果你们能想象这样一个时间--在时间开始之前。

耶鲁公开课 - 弥尔顿课程节选

So that was the transportation here when San Francisco was settled in 1850.

早在1850年旧金山正式成立的时候，交通工具就是有线缆车。

旧金山的公共交通 - SpeakingMax英语口语达人

Sparta starts at an early point, sends out a colony to southern Italy at some time, probably early, they sent out a colony to an island in the Aegean Sea, Melos, and then they stopped and never sent out another colony.

斯巴达要早一些,某一时期在意大利南部建设过殖民地,也许更早的时候,曾在爱琴海上的岛屿米洛斯殖民,然后他们的殖民活动戛然而止,并从未再开始

耶鲁公开课 - 古希腊历史简介课程节选