One strut had fractured and been crudely repaired in several places.
一根支柱断裂了,好几处已做了粗略修补。
This was a dance where the participants would quite literally just strut around like a turkey, in circles around one another.
这是一种舞蹈,参加者会像火鸡一样昂首阔步,绕着对方转圈儿。
One of gymnastics strut movements.
体操支撑动作之一。
Now DNA is a double helix and I've only shown you one part of the helix, right? I've shown you one upright strut and a base hanging off of it, but it forms a double helix because complementary strands of DNA strongly associate with one another and that's a very stable structure.
NA是双螺旋,我只是给你们讲了螺旋的一边,我给你们演示,一条链的支柱及碱基团,但其能构成双螺旋,是因为DNA是完全互补的两条链,彼此之间结合紧密,结构异常稳定
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