To keep healthy, there are at least three things we can do every day.23. 那就是(说)...;亦即…That is to say, .= That is, .=Namely, ...例：我们生活需有规律。也就是说，早睡早...
3. We’ve made a major breakthrough in AIDS research. 我们在艾滋病研究领域取得了突破性进展。 4. Together we can make a real difference to the way people shop. 只要一起努力,...
1)a big time:尽兴,高兴的时刻 e.g. I had a big time there. the big time:第一流,最高级 e.g. Don’t worry, you are in the big time now. 2)according to:按照,根据 e.g. They were...
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