国会第一个持续长时间的激烈争论涉及1886年的纯净食品事件:占统治地位的黄油受到了代黄油的挑战。
The first prolonged and impassioned controversy in the Congress involving a pure food issue took place in 1886, pitting the reigning champion, butter, against a challenger, oleomargarine.
研究还表明,吃早餐会让青少年的饱腹感持续更长时间,所以他们不会在一天的晚些时候吃太多零食。
The study also showed that eating breakfast keeps teenagers feeling full for longer, so they will not eat too many snacks later in the day.
你们的英语晚会将持续多长时间?
Now the nice thing about this is that the degradation mechanisms seem to persist for some period of time, beyond the time at which you deliver the double stranded RNA; whereas, obviously, this mechanism here is only going to exist for as long as the anti-sense sequence is present.
而好消息是降解过程会持续一段时间,比你转入双链RNA的时间要长,但是,这种机制只会在,有反义链的时候发挥作用
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