单词：digestive-tract
[网络] 消化管；肠胃道；消化道吸收
单词：digestive-tract 相关文章
It's Such a Gas! Natural bodily functions are a popular theme in lowbrow humor the world over, especially among adolescent boys, and none more so than farting. A fart, which is the expulsion of gas fr
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An Old Joke 老笑话 An elderly man went to a doctor with multiple complaints. 一个上了年纪的人带着港币病痛去看医生。 I see spots before my eyes, he said. 我眼前老是看到些斑斑点点的。他说。 It's due to old age, sa
英语小达人
Plucking Sounds From the Past 拨弦弄乐话泰雅 Many of us have passed through Wulai to view its famous waterfall, but have you ever stopped to appreciate the unique sounds coming from the heart of this ancient aboriginal village? The Atayal trib
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[00:01.40]Some people use gum to lose weight. [00:03.55]They say it controls their appetite. [00:05.77]Further research has been carried out, [00:07.56]which shows that, [00:08.80]if you had chewed sugar-free gum [00:10.54]regularly for the last year
北师大版高中英语模块7(选修)
If you were to lay your digestive tract out in a straight line, it would form a tube spanning nearly ten meters. 如果你将消化道拉直成一条线，它的样子就像是一条长达将近十公尺的管子。 学习重点： 1.digestive tract 消
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By Melinda Smith Washington 17 July 2007 Antibiotics are designed to fight a multitude of bacterial infections. But some infections -- such as those in the urinary tract -- have become resistant to many antibiotics. VOA's Melinda Smith reports on a r
2007年VOA标准英语（七月）