“我正慢慢让我的生活步入正轨，我想回家，而这儿正是我的家。”上周日，他在休斯顿西北的加利利浸信会教堂对教友们如是说。

"I'm taking my life back step by step, and I wanted to come home and this is my home," he told congregants Sunday at the Galilee Missionary Baptist Church in northwest Houston.

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贡扎加，一位和蔼的费城人，把我介绍给他的一位同事海瑟·塞特拉基安，她正参与这项研究。

Gonzaga, an affable Philadelphian, introduced me to one of his colleagues, Heather Setrakian, who was running the study.

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你正困在一堆瓦砾下等待营救，这时雪上加霜，一小团泥巴状的东西从旁边的裂缝中慢慢流出来。

TRAPPED under a pile of rubble, you wait for rescue. Then, to add to your troubles, you see a small blob ooze through a nearby crack.

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So we can do this for any final charge we have, if we have a molecule that has a charge of plus 2, then all of the formal charges should add up to plus 2 and so on.

对于任意净电荷的情况,我们都可以这样做，比如假设我们有一个带两个正电荷的分子，那么所有的形式电荷加起来应该等于正二，等等。

麻省理工公开课 - 化学原理课程节选

Because of this my mother used to make Jell-o that had fruit suspended in it, and the fruit doesn't sink to the bottom like you'd expect it to sink through water, but it stays suspended inside.

正因为如此,当我母亲以前做,那种加水果的果冻的时候,水果并不会沉到果冻底部来,你以为它会像在水里那样,但水果是悬在果冻里的

耶鲁公开课 - 生物医学工程探索课程节选