It 's filled with good bacteria that help promote gut health and make your digestive tract run more smoothly.

益生菌酸奶富含有益细菌，可帮助促进肠道健康，使你的消化道运行更顺畅。

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Conclusions:The high S/D values can be caused by fetal anomalies, especially multi-malformations, gastrointestinal tract and central nervous system malformations.

结论：胎儿畸形，尤其是多发畸形、消化系统畸形和中枢神经系统畸形可引起S/ D值增高。

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Objective To investigate the effect of three different digestive tract reconstruction on patient′s living quality after total gastrectomy for gastric tumors.

目的评估全胃切除术后三种不同的消化道重建术式对患者生活质量的影响。

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It's sort of like the digestive tract story.

这是和消化道故事差不多的故事。

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Now, well, you're making out after having had dinner, and while you're sitting there making out, food is making its way down Peggy Sue's digestive tract, being turned into shit.

现在，你们在吃完饭后亲热，当你们坐下来亲热时，食物正沿着Peggy，Sue的消化道向下走，正要变成大便。

耶鲁公开课 - 死亡课程节选

Ferrets are often used in flu research because the animal's respiratory tract responds to flu viruses in much the same way as a human's.

CNN: CDC: U.S. may need 600 million swine flu vaccine doses

The change lets it grow in a human respiratory tract, which is cooler than the virus' natural home: a bird's gastrointestinal tract.

CNN: New bird flu well-adapted to infect people

It has gold and the country's largest tract of arable land.

ECONOMIST: The Solomon Islands: The Pacific's first failed state? | The