这件事始于1950年，当时我5岁。
我回想起1975年的时候，当时我儿子病得很重。
I thought back to the time in 1975 when my son was desperately ill.
我第一次和他共事是在1971年，当时我们都处在职业生涯的起步阶段。
I first worked with him in 1971 when we were both on the lowest rung of our careers.
这和1990年的那些美好时光迥然不同，当时他在欧洲巡回赛中赢了三场锦标赛。
It was all a far cry from those halcyon days in 1990, when he won three tournaments on the European tour.
70年代初我戴假睫毛，那是当时的时尚。
In the early seventies I wore false eyelashes, as was the fashion.
那是在1955年，当时就连聋人自己也认为他们的手语是“次等的“。
It was 1955, when even deaf people dismissed their signing as "substandard".
1995年12月29日，赫伯特当时在扑灭一场房屋火灾。
1995年12月29日，赫伯特当时在扑灭一场房屋火灾。
田纳西面包公司于1997年提前开业，当时正值美国麦当劳的快餐销售衰退。
The Tennessee Bun Company opened ahead of schedule in 1997, in time for a slump in U.S. fast-food sales for McDonald's.
核心样本中的有孔虫在1950年之后最多，当时农民开始使用一些营养丰富的肥料。
The foraminifera in the core samples were most abundant after 1950, when farmers began using some fertilizer, which is rich in nutrients.
他们的理论直到1980年才被接受，当时更有针对性的调查显示这一理论是错误的。
Their theory was accepted until 1980, when more focused investigations showed it to be incorrect.
戴金从1957年开始试验雨刷器，当时他的导师让他设计一个电动雨刷马达。
Daykin began experimenting with windshield wipers in 1957, when his supervisor asked him to design an electric wiper motor.
整个事件始于1912年，当时查尔斯·道森声称在一个砾石坑里发现了一些有趣的骨头。
The whole thing started in 1912 when Charles Dawson claimed to find some interesting bones in a gravel pit.
最大的进步开始于1800年，当时法国人尼古拉斯·阿佩尔发现，他可以把某些食物密封在罐子里，不让空气进入。
The greatest single advance began in 1800 when a Frenchman, Nicolas Appert, discovered that he could preserve certain foods by sealing them in jars and keeping the air from them.
阿尔伯特·爱因斯坦在1905年预测到了这一点，当时他在狭义相对论中引入了相对时间的概念。
Albert Einstein predicted this in 1905, when he introduced the concept of relative time as part of his special theory of relativity.
第一届残疾人运动会于1948年在伦敦举行，当时有两支英国队伍参与了箭术的比赛。
The first Paralympic Games took place in 1948 in London with two British teams competing in an archery competition at that time.
1941年，丘吉尔掌对英国军队做了个心向内的“V”形手势，当时有人惊讶地盯着他，显然他不知道这个手势的粗俗用法。
Churchill got some surprised stares in 1941 when, evidently unaware of the vulgar usage, he gave the palm-backward "V" to British troops.
1962年，瑞典当时只有一个电视频道，而且是以黑白色率播出节目。
In 1962, there was only one TV channel in Sweden, and it broadcast in black and white.
爱迪生的电灯在1880年获得专利，成为当时市场上最受欢迎的发明，为大众带来了光明。
Edison's electric lamp, patented in 1880 was the marketplace's favorite, bringing light to the masses.
这一安排在1940年左右达到顶峰，当时美国18岁至34岁的人口中约有35%与父母生活在一起（2014年为32%）。
This arrangement peaked around 1940, when about 35% of the nation's 18-year-old to 34-year-old lived with mom or dad (compared with 32% in 2014).
20世纪90年代是一段通货紧缩期，当时各公司大大丧失了他们的提价能力。
The 1990s was a period of disinflation, when companies lost much of their power to raise prices.
她当时告知我们，18位教职员在此前的一年里离开了。
She informed us that eighteen members of the staff had left during the preceding year.
这所学校创建于1920年，当时只有十名学生。
第一次任务是在十年前进行的，当时在全世界进行了现场直播。
The first mission was undertaken a decade ago and broadcast live then worldwide.
琳达第一次考虑TT是在80年代末，当时她得知科罗拉多州继续护理教育的批准名单上有它。
Linda first thought about TT in the late 80s, when she learned it was on the approved list for continuing nursing education in Colorado.
这名当时无家可归的男孩，在不到一年前开始学习这种游戏。
The boy, who was homeless at the time, began learning the game less than a year ago.
日本在20世纪80年代签署的《广场协议》或许可以作为类比，当时日本同样积累了巨大的失衡。
An analogy might be the Plaza Agreements with Japan in the 1980s when the Japanese similarly built up a huge imbalance.
那还是三年前的事，当时学年就要结束，我的十四岁生日刚刚过去几天。
It had been the end of the school year when it happened three years ago, only a few days after my fourteenth birthday.
这种想法出现于公元1800年左右，当时人口变得足够多，大约有10亿人，人类的活动开始能够改变环境。
The idea is that around the year 1800 CE the human population became large enough, around a billion people, that its activities started altering the environment.
第二个重要决定是在1979年做出的，当时要求每位教师都必须获得由国家出资的理论与实践专业五年制硕士学位。
The second critical decision came in 1979 when it was required that every teacher gain a fifth-year Master's degree in theory and practice, paid for by the state.
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