This process, which washes out the lower GI tract with water or herbal mixtures, might sound unpleasant, but it has been gaining popularity.
这项利用水或是药草制剂清洗下消化道的治疗，听起来并不令人感到舒适，但它十分流行。
In January Kodak filed for a patent on an edible RFID tag which could be used, for example, to examine the digestive tract or check whether a patent has taken his medication.
今年一月，Kodak公司已对可食用RFID标记的投放使用提交申请，该产品用于消化道检查及检测病人是否进行药物治疗。
In human's intestinal tract has the microorganism which attracts greatly.
人的肠道内存在大吸的微生物。
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