Last time we talked about photosynthesis, the process by which plants use light to convert carbon dioxide and water into food.
上次我们讨论了光合作用,即植物利用光将二氧化碳和水转化为食物的过程。
Last time we talked about passive habitat selection, like plants for example, they don't make active choices about where to grow.
上次我们讨论了被动的栖息地选择,比如植物,它们不会主动选择在哪里生长。
Last time we talked about British weather and climate.
上次我们谈到英国的天气和气候。
We talked last week about how this idea developed a long time ago.
VOA: special.2010.03.12
Last time we talked very little about that and so we'll talk more about that next week, but certainly technology is going to be available, but there's going to need to be ways developed to put this technology together.
上节课我们谈过一点,下星期会进一步探讨,当然这种技术的实现,是建立在各种相关技术的基础之上的
It has to have an origin of replication, which we talked about last time, which is compatible with the cells.
所以质粒必须带有复制起点,我们上次讲过,该起点要与受体细胞匹配
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