You got it all upside down, "shouted Matt at Thorne."
“你完全搞颠倒啦,”麦特向桑恩嚷起来。
If good friends fell from the sky like raindrops, I'd turn my umbrella upside down and have all that I need.
如果好朋友像雨点一样由天而降,我会反转我的雨伞,接住我所需要的一切。
These \ "upside down \" trees were all the rage last year.
这些是去年风靡一时的“倒立”圣诞树。
It wouldn't be the same if I turned it upside down because the carbons - the rings here, the pentose's would all be turned over, the chemistry would look different and the sequence of bases would look different.
记住单链倒过来,就和原来不一样了,这是因为碳原子和糖环结构,戊糖会翻转,使得这个化学结构看起来不一样了,碱基的顺序也不一样了
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