Wow! So many beautiful roses. Which sister was hit by the arrow of Cupid in our dormitory?

哇！这么漂亮的玫瑰，丘比特之箭射中咱们宿舍哪位姐妹了？

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Whether they are a peculiar sister group, or the ur-snake from which all others descend?

它们究竟是一种特殊的分支种群，还是其他各种蛇类的鼻祖？

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Centromere is the primary constriction on the chromosome, a region at which the sister chromatids are held together.

着丝点是染色体的主缢痕，在这个地方姐妹染色单体连在一起。

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More than 500 people have joined the tribute site, which sister Danielle set up in memory of her "amazing brother".

BBC: Australia waterfall death man Josh Furber 'lived to max'

That means don't pick up the walking wounded, which sister Windsor fund buys for 50 cents on the dollar, or let his multiple creep up.

FORBES: Keep the Faith

By the time he was brought back from exile to his home (which his sister said is 'like heaven'), the damage to his core personality was done.

FORBES: Malthus And Scrooge