I began a second drawer for more general discoveries: new cave system discovered with dozens of nameless species, four hundred species of bacteria found in the human stomach.
我打开了第二个抽屉里，寻找更普遍的发现：在新的洞穴系统里发现了几十种不知名的物种，在人的胃里发现了400种细菌。
The appendix is a spare stomach, intended to aid digestion as a second stop along the route from primary stomach to the large colon.
阑尾是多余的胃，在沿着主胃到大的结肠的路途中以第二次停顿的形式来帮助消化。
Instead of blocking histamine, this second medication works by causing the stomach to secret more mucous to coat and protect itself against excess acid.
而非阻断组胺这第二种药物工程造成胃部分泌更多的粘液层，以保护自己免受过量酸。
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