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1·They do the big step of inventing vowels, so that now you don't have to remember anything.

他们在发明元音方面迈出重大一步，所以现在你不必去记任何东西。

2·The current U.S. farm bill, however, is a big step backward.

然而，目前的美国农业法却倒退了一大步。《柯林斯英汉双解大词典》

3·It's a big step giving up your job and moving halfway across the world.

你放弃工作搬到地球的另一端，可真不简单。《牛津词典》

4·The invention of telegraph machines led to another big step in history.

电报机的发明引领了历史上又一大步。

5·The official newspaper celebrated the news of Tiangong 1, for it took a big step forward into space.

官方报纸庆祝了天宫一号的消息，因为它向太空迈进了一大步。

6·At home, my dad said, A job's a big step to growing up. I'm glad you will be contributing to the household.

在家里，我爸爸说：“工作是长大的一大步。我很高兴你能为家庭做出贡献。”

7·A big step towards modern technology was the invention of the first portable cassette player.

迈向现代科技的一大步是发明了第一台便携式盒式磁带播放机。

8·Perhaps a new phrase is needed, one that can bring everyone one big step closer to realizing Du Bois's original, idealistic hope: It's not the name—it's the Thing that counts.

也许我们需要一个新的短语，它能让每个人向杜波依斯最初的理想主义希望迈进一大步：“重要的不是名字，而是事情本身。”

9·Moving up to year 7 is a big step.

升入7年级，对于孩子而言是一步很大的跨越。

10·That would be a big step.

这将是很重大的一个举措。