Stamens 4, didynamous, inserted at middle of corolla tube, slightly exserted.
雄蕊4,花
,
外露的二强雄蕊,着生的在中部。
Alternatively, a new version of a gene can also be created through reverse transcription: during gene expression, the mRNA is copied back into a sequence of DNA that is inserted into the genome.
其二,新的基因复本也可能透过反转录作用,将基因表现出来的mRNA反转录成DNA序列,再插回基因组内,这种现象称为反转录移位(retrotransposition),发生在
胞内称为长散布核因子(LINE)的转位子活动时。
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But genuine education, as Socrates knew more than two thousand years ago, is not inserting the stuffings of information into a person, but rather eliciting knowledge from him; it is the drawing-out of what is in the mind.
但是就像苏格拉底两千多年前就已经知道
那样,真正
教育不是把信息当做填充物塞给
人,而是把知识从他身上引出来,它是把脑子里有
东西引出来
过程。
Numerous science-fiction books and movies have raised people's fears about nanotechnology, with scenarios such as inserting little nano-robots into your body that monitor everything you do without you realising it, or self-replicating nano-robots that eventually take over the world.
很多科幻小说和电影使人
对纳米科技充满了恐惧,这些小说和电影中经常会出现这样
情节:有人会在你
身体里植入小小
纳米机器人来监视你
举
动,而你却完全没有意识到这件事;或者自我复制
纳米机器人最后掌控了世界。
美味英语