They remained separated until 1919 when they finally divorced, at which time Einstein married Elsa.

他们一直分居，直到 1919 年最终离婚，随后爱因斯坦与艾尔莎结婚。

You may retain your wand until your disciplinary hearing on the twelfth of August, at which time an official decision will be taken.

你可以保留魔杖，直到8月12日受审的时候再做正式决定。

And all those observations can be used to make predictions of where birds will be most abundant at which times of the year.

所有这些观察结果都可以用来预测一年中的哪个时间段鸟类最多。

The doctor had been in to say that some change, for better or worse, would probably take place about midnight, at which time he would return.

大夫先前进来说他午夜时再来，因为那时病情很可能有变化，但吉凶未卜。

In all , getting dressed takes about half an hour , at which time my hair is now semi-dry so then I have to style my hair.

总而言之，穿衣大概要半个小时，无论什么时候头发都是傍岸的，所以我得梳理头发。

They passed on into an aisle, at which time the door again opened, and another figure entered-a small one, that of little Time, who was crying.

他们走到一条过道上， 这时门又开了， 进来的是另一个人影——一个很小的人， 小时间的人， 正在哭泣。

Walking and gloomily talking thus they waited till nearly nine o'clock, at which time Elfride thought she might call at the Falcon without creating much surprise.

他们就这样一边走一边阴郁地说话，一直等到将近九点钟，这时埃尔弗里德认为她可以去猎鹰号拜访，而不会引起太大的意外。

Afterwards his remains were interred in the royal vault, though they only remained here until 1969, at which time George was reinterred in the George VI Memorial Chapel.

随后，他的遗体被埋葬在皇家墓穴中，但只留在这里直到 1969 年， 当时乔治被重新埋葬在乔治六世纪念教堂。

His training was completed by 1905, at which time he briefly took up a position working in a weaving mill in the town of Konstanz south of Metzingen.

他的培训于 1905 年完成，当时他在麦琴根南部康斯坦茨镇的一家织布厂短暂工作过。

As in, everybody has their own experience of time and the rate at which time passes can change depending on what someone is doing and where someone is.

也就是说，每个人都有自己的时间体验，并且时间流逝的速度会根据某人正在做的事情和某人所处的位置而改变。

07, drinks are served, and we enjoy the first round until 7: 12, at which time we will put in an order for apps, specifically nachos and artichoke dip.

7: 07，提供饮料，我们享受第一轮直到 7: 12，这时我们将订购应用程序，特别是玉米片和洋蓟蘸酱。

Essentially a syringe-arrow, tranquilizer darts have a hollow needle on their ends to pierce the skin of the target, at which time another mechanism kicks in to inject the tranquilizing liquid.

镇静剂飞镖本质上是一个注射器箭头， 其末端有一个空心针， 可以刺穿目标的皮肤，此时另一个机制启动， 注入镇静液体。