常见例句双语例句The bond is broken releasing the 5' end of the intron and attaching it to the branch point sequence, The intron now forms a tailed loop structure called a lariat.债券是破碎释放的5 '端的内含，并注重向分支点序列，内含子，现在形成了一个尾式闭环结构称为套索。 返回 lariat loop