If you enjoyed this video, please give it a repetitious thumbs up and share it with your specifically loving friends.

如果你喜欢这个视频，请点赞，并与你朋友分享。

A deep silence fell on the crowd, so deep that the harsh whisper of the wind in the magnolia leaves came clear to their ears and the far-off repetitious note of a mockingbird sounded unendurably loud and sad.

人群中间没有一丝声音，微风吹过木兰枝叶发出窃窃私语可以听得楚楚，远处一只模仿鸟不停地发出刺耳哀鸣，让人无法忍受。

Now a telomere is a highly repetitious and genetically meaningless sequence of DNA, what we were calling JUNK DNA.But it does have any important purpose;it is sort of likethe plastic tip on each end of shoelace.

现在，端粒是一种高且在遗传学上毫无意义 DNA 序列，我们称之为垃圾 DNA。 但它确实有任何要用途； 它有点像鞋带两端塑料尖端。