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1·这座水坝的官方奠基石于1961年埋下。
The official foundation stone for the dam was laid in 1961.
—— 《柯林斯英汉双解大词典》
2·但是记忆力好的当地人认为这是对1961年那起不公正事件的合理报复。
But locals with long memories thought this was fair revenge for the injustice of 1961.
—— 《柯林斯英汉双解大词典》
3·这项研究自1961年以来一直在开展，已经取得了大量的积极成果。
This research has been in progress since 1961 and has yielded a great number of positive results.
—— 《柯林斯英汉双解大词典》
4·1961年，第一艘载人宇宙飞船被送入太空。
The first spacecraft with a human was sent up into space in 1961.
5·从1959年到1961年，他看到许多人死于饥饿，于是决定研究杂交水稻。
Seeing many people die of hunger from 1959 to 1961, he decided to study hybrid rice.
6·1961年，袁隆平发现了一种天然杂交水稻，这种水稻相较于其他杂交水稻有许多优点。
In 1961, Yuan Longping found a natural hybrid rice plant that had many advantages over others.
7·在学校里，李子轩得知首位宇航员在1961年飞入太空，后来，更多的宇航员成功地进入了太空。
In school, Li Zixuan learned that the first man flew into space in 1961 and later, more astronauts succeeded in traveling into space.
8·那是1961年，当时我在读五年级。
It was 1961 and I was in the fifth grade.
9·它延续了自1961年开始“奥斯卡计划”在这方面的努力。
It continued the efforts, begun in 1961, by Project OSCAR.
10·1961年世界人口为30亿，到2007年翻了一番多。
The world's population more than doubled from 3 billion between 1961 and 2007.