Helicobacter pylori is a spiral Gram's negative bacterium, living in microaerophilic environment.

幽门杆菌是一只革兰氏阴性螺旋菌，生活在微需氧的环境下。

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Helicobacter pylori is a spiral Gram's negative bacterium, living in microaerophilic environment.

幽门杆菌是一只革兰氏阴性螺旋菌，生活在微需氧的环境下。

youdao